List of NCIS personnel

Directors

 * Director Thomas “Tom” Morrow, NCIS — Director of the Naval Criminal Investigative Service (April 22, 2003–September 20, 2005, transferred) — Alan Dale: JAG – “Ice Queen”, “Meltdown”, NCIS
 * Director Jennifer “Jenny” Shepard, NCIS (KIA, 2008) — Director of the Naval Criminal Investigative Service (September 20, 2005–May 20, 2008, KIA) — Lauren Holly: NCIS
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: NCIS, NCIS: Los Angeles, NCIS: New Orleans

A/U

 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: NCIS – “Life Before His Eyes”

Fanfiction

 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Seeking Judgment”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Lost Soul”, “Finding Closure”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Chaos Theory”
 * Director Jennifer “Jenny” Shepard, NCIS (KIA, 2008) — Director of the Naval Criminal Investigative Service (September 20, 2005–May 20, 2008, KIA) — Lauren Holly: “Agent Afloat, Atlantis”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Dawn’s NCIS”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Semper Fi”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “After Sunnydale”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Whispers of Willow”
 * Director Jennifer “Jenny” Shepard, NCIS — Director of the Naval Criminal Investigative Service (September 20, 2005–?) — Lauren Holly: “Moving On”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “A Rose by Any Other Name”, “Perfect”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “Rising from the Darkness”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “The Lost Son”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “Top Secret Valor”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “Extraordinary Valor”
 * Director Leon James Vance, B.Sc., NCIS — Director of the Naval Criminal Investigative Service (September 23, 2008–Present) — Rocky Carroll: “Crossing the Same River”

Deputy directors

 * Deputy Director Jerome Craig, NCIS — Deputy Director of the Naval Criminal Investigative Service (January 15, 2013–?) — Greg Germann: NCIS

Assistant directors

 * Assistant Director Owen Granger, NCIS (Ret. 2017) — Assistant Director of the Naval Criminal Investigative Service (January 3, 2012–March 5, 2017, Retired) — Miguel Ferrer†: NCIS: Los Angeles

Fanfiction

 * Assistant Director Owen Granger, NCIS — Assistant Director of the Naval Criminal Investigative Service (January 3, 2012–?) — Miguel Ferrer†: “Helping an Enemy”

Operations managers

 * Operations Manager Henrietta “Hetty” Lange, M.F.A., NCIS Office of Special Projects — Operations Manager, NCIS Office of Special Projects (September 22, 2009–Present) — Linda Hunt: NCIS: Los Angeles, Scorpion – “True Colors”

Fanfiction

 * Operations Manager Henrietta “Hetty” Lange, M.F.A., NCIS Office of Special Projects — Operations Manager, NCIS Office of Special Projects (September 22, 2009–Present) — Linda Hunt: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”

Special agents-in-charge
“Sister City”, “Pandora’s Box” Alexandrovich Nikolaev) — Special Agent-in-Charge, NCIS Office of Special Projects (September 22, 2009–Present) — Chris O’Donnell: NCIS – “Legend”, NCIS: Los Angeles, Hawaii Five-0 – “Pa Make Loa”
 * Special Agent-in-Charge Michael “Mike” Franks, NCIS (Ret. 1996) (killed, 2011) — Special Agent-in-Charge, NCIS Marine Corps West Field Office (August 1, 1992–July 1, 1996, Retired) — Muse Watson: NCIS
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: JAG – “Ice Queen”, “Meltdown”, NCIS, NCIS: New Orleans – “Breaking Brig”,
 * Supervisory Special Agent Dwayne Cassius “King” Pride, NCIS — Special Agent-in-Charge, NCISRA New Orleans (2005–Present) — Scott Bakula: NCIS – “Crescent City”, “Sister City”, NCIS: New Orleans
 * Supervisory Special Agent Paula Cassidy, NCIS (KIA, 2007) — Team Leader, Naval Criminal Investigative Service (2007–April 3, 2007, KIA) — Jessica Steen: NCIS
 * Supervisory Special Agent G. Callen, NCIS Office of Special Projects (born: Grisha
 * Supervisory Special Agent Erica Jane Barrett, NCIS (Ret. 2012) — Team Leader, NCIS Major Case Response Team (March 1, 2011–January 3, 2012, Retired) — Sarah Jane Morris: NCIS
 * Supervisory Special Agent Paris Summerskill, NCIS Contingency Response Field Office — Special Agent-in-Charge, NCIS Contingency Response Field Office (Red Team) (March 19, 2013–?) — Kim Raver: NCIS: Los Angeles – “Red”

A/U

 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: NCIS – “Life Before His Eyes”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team (Ret. 2006) — Special Agent-in-Charge, NCIS Major Case Response Team (2001–May 16, 2006, Retired); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–May 16, 2006, Retired) — Mark Harmon: NCIS – “Life Before His Eyes”

Fanfiction

 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Seeking Judgment”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Lost Soul”, “Finding Closure”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Chaos Theory”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Agent Afloat, Atlantis”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Dawn’s NCIS”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Semper Fi”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “After Sunnydale”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Whispers of Willow”
 * Supervisory Special Agent Leroy Jethro Gibbs, B.S. (Criminal justice), NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “A Rose by Any Other Name”, “Perfect”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Rising from the Darkness”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “The Lost Son”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team (resigned, 2011) — Special Agent-in-Charge, NCIS Major Case Response Team (2001–2011, resigned); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–2011, resigned) — Mark Harmon: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Top Secret Valor”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team (KIA, 2014) — Special Agent-in-Charge, NCIS Major Case Response Team (2001–May 9, 2014, KIA); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–May 9, 2014, KIA) — Mark Harmon: “Extraordinary Valor”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Sideways”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Crossing the Same River”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team (resigned, 2008) — Special Agent-in-Charge, NCIS Major Case Response Team (2001–April 15, 2008, resigned); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–April 15, 2008, resigned) — Mark Harmon: “Bad McGee?”, “Very Good McGee”, “Timothy’s Heart”, “What was that, Probie?”, “Do You Know I’m Watching?”, “Mr. Secretary”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team (Ret. 2006) — Special Agent-in-Charge, NCIS Major Case Response Team (2001–May 16, 2006, Retired); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–May 16, 2006, Retired) — Mark Harmon: “Moving On”
 * Supervisory Special Agent Leroy Jethro Gibbs, NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2001–Present); de facto 2nd-in-Command, NCIS Headquarters (September 20, 2005–Present) — Mark Harmon: “Nexus of Chaos”
 * Supervisory Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS — Team Leader, NCIS Northeast Field Office (September 19, 2006–Present) — Michael Weatherly: “Moving On”
 * Supervisory Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (September 30, 2008–Present) — Michael Weatherly: “Agent Afloat, Atlantis”
 * Supervisory Special Agent Timothy Farragut “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (2009–Present) — Sean Murray: “Moving On”
 * Supervisory Special Agent G. Callen, NCIS Office of Special Projects (born: Grisha Alexandrovich Nikolaev) — Special Agent-in-Charge, NCIS Office of Special Projects (September 22, 2009–Present) — Chris O’Donnell: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Supervisory Special Agent Timothy Farragut “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Special Agent-in-Charge, NCIS Major Case Response Team (October 12, 2010–Present) — Sean Murray: “Two Roads Diverged”
 * Supervisory Special Agent Timothy Farragut “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Counterintelligence — Special Agent-in-Charge, NCIS Northwest Field Office (Counterintelligence Unit) (2016–Present) — Sean Murray: “Extraordinary Valor”
 * Supervisory Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Special Agent-in-Charge, NCISRA Pensacola (Major Case Response Team) (2017–Present) — Michael Weatherly: “Extraordinary Valor”

Senior special agents

 * Senior Special Agent Stanley “Stan” Burley, NCIS — Special Agent Afloat, Naval Criminal Investigative Service (2001–Present) — Joel Gretsch: NCIS
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team (Ret. 2016) — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–May 17, 2016, Retired) — Michael Weatherly: JAG – “Ice Queen”, “Meltdown”, NCIS, NCIS: New Orleans – “Carrier”, NCIS: Los Angeles – “Blame It On Rio”
 * Senior Special Agent Brent Langer, NCIS Major Case Response Team (KIA, 2008) — Senior Field Agent, NCIS Major Case Response Team (May 20, 2008–September 23, 2008, KIA) — Jonathan LaPaglia: NCIS – “Tribes”, “Last Man Standing”
 * Senior Special Agent Samuel Andrew “Sam” Hanna, NCIS Office of Special Projects — Senior Field Agent, NCIS Office of Special Projects (April 28, 2009–Present) — LL Cool J: NCIS – “Legend”, NCIS: Los Angeles, Hawaii Five-0 – “Pa Make Loa”
 * Senior Special Agent Michael “Mike” Renko, NCIS Office of Special Projects (KIA, 2012) — Senior Field Agent, NCIS Office of Special Projects (April 28, 2009–May 15, 2012, KIA) — Brian Avers: NCIS – “Legend”, NCIS: Los Angeles
 * Senior Special Agent Simon Cade, NCIS Major Case Response Team (KIA, 2011) — Senior Field Agent, NCIS Major Case Response Team (March 1, 2011–September 20, 2011, KIA) — Matthew Willig: NCIS
 * Senior Special Agent Lauren Hunter, NCIS Office of Special Projects (KIA, 2012) — Senior Field Agent, NCIS Office of Special Projects (May 10, 2011–May 15, 2012, KIA) — Claire Forlani: NCIS: Los Angeles
 * Senior Special Agent Christopher “Chris” LaSalle, NCIS — Senior Field Agent, NCISRA New Orleans (March 25, 2014–Present) — Lucas Black: NCIS – “Crescent City”, “Sister City”, NCIS: New Orleans
 * Senior Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 20, 2016–Present) — Sean Murray: NCIS, NCIS: New Orleans – “Pandora’s Box”

A/U

 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: NCIS – “Life Before His Eyes”

Fanfiction

 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “Lost Soul”, “Finding Closure”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “Chaos Theory”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “Dawn’s NCIS”
 * Senior Special Agent Anthony Michael “Tony” DiNozzo, B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “Semper Fi”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “After Sunnydale”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “Whispers of Willow”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–?) — Michael Weatherly: “A Rose by Any Other Name”, “Perfect”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team (incarcerated, 2013) — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–2013, incarcerated) — Michael Weatherly: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Senior Special Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2003–Present) — Michael Weatherly: “Crossing the Same River”
 * Senior Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 23, 2008–Present) — Sean Murray: “Agent Afloat, Atlantis”
 * Senior Special Agent Samuel Andrew “Sam” Hanna, NCIS Office of Special Projects — Senior Field Agent, NCIS Office of Special Projects (April 28, 2009–Present) — LL Cool J: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Senior Special Agent Ziva David, NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (October 12, 2010–Present) — Cote de Pablo: “Two Roads Diverged”
 * Senior Agent Anthony D. “Tony” DiNozzo, Jr., B.A. (Physical education), NCIS Major Case Response Team — Senior Agent, NCIS Major Case Response Team (2011–?) — Michael Weatherly: “The Lost Son”
 * Senior Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Senior Field Agent, NCIS Major Case Response Team (September 24, 2013–Present) — Sean Murray: “Crossing the Same River”

Special agents

 * Special Agent Christopher “Chris” Pacci, NCIS (KIA, 2004) — Field Agent, NCIS Headquarters (2001–April 27, 2004, KIA) — Tim Kelleher: NCIS
 * Special Agent Caitlin “Kate” Todd, NCIS Major Case Response Team (KIA, 2005), Presidential Medal of Freedom Recipient (posthumously) — Field Agent, NCIS Major Case Response Team (September 30, 2003–May 24, 2005, KIA) — Sasha Alexander: NCIS
 * Special Agent Michelle Lee, J.D., NCIS Legal Division (KIA, 2008) — Field Agent, NCIS Legal Division (October 17, 2006–November 25, 2008, KIA); double agent — Liza Lapira: NCIS
 * Special Agent Kensi Marie Blye, B.Sc. (Forensic science), NCIS Office of Special Projects — Field Agent, NCIS Office of Special Projects (April 28, 2009–Present) — Daniela Ruah: NCIS – “Legend”, NCIS: Los Angeles, Hawaii Five-0 – “Ka Hakaka Maika’i”
 * Special Agent Dominic “Dom” Vail, NCIS Office of Special Projects (KIA, 2010) — Junior Field Agent, NCIS Office of Special Projects (September 22, 2009–May 4, 2010, KIA) — Adam Jamal Craig: NCIS: New Orleans
 * Special Agent Gayne Levin, NCIS Major Case Response Team (KIA, 2011) — Field Agent, NCIS Major Case Response Team (March 1, 2011–May 17, 2011, KIA) — Alimi Ballard: NCIS
 * Special Agent Ziva David, NCIS Major Case Response Team (resigned, 2013) (killed, 2016) — Junior Field Agent, NCIS Major Case Response Team (September 20, 2011–May 14, 2013, resigned) — Cote de Pablo: NCIS
 * Special Agent Claire Keats, NCIS Contingency Response Field Office — Field Agent, NCIS Contingency Response Field Office (Red Team) (March 19, 2013–?) — Gillian Alexy: NCIS: Los Angeles – “Red”
 * Special Agent Meredith “Merry” Brody, NCIS (resigned, 2016) — Field Agent, NCISRA New Orleans (March 25, 2014–September 20, 2016, resigned) — Zoe McLellan: NCIS – “Crescent City”, “Sister City”, NCIS: New Orleans
 * Special Agent Ned Dorneget, NCIS Cyber Operations Division (KIA, 2015) — Junior Field Agent, NCIS Cyber Operations Division (April 28, 2015–May 5, 2015, KIA) — Matt Jones: NCIS
 * Special Agent Sonja Percy, NCIS — Junior Field Agent, NCISRA New Orleans (September 22, 2015–Present) — Shalita Grant: NCIS: New Orleans, NCIS – “Sister City”
 * Special Agent Eleanor “Ellie” Bishop, NCIS Major Case Response Unit — Field Agent, NCIS Major Case Response Team (September 20, 2016–Present) — Emily Wickersham: NCIS, NCIS: New Orleans – “Sister City”
 * Special Agent Alexandra “Alex” Quinn, NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 20, 2016–Present) — Jennifer Esposito: NCIS
 * Special Agent Nicholas “Nick” Torres, NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 20, 2016–Present) — Wilmer Valderrama: NCIS, NCIS: New Orleans – “Pandora’s Box”
 * Special Agent Tammy Gregorio, NCIS — Field Agent, NCISRA New Orleans (January 24, 2017–Present) — Vanessa Ferlito: NCIS: New Orleans
 * Special Agent Sebastian Lund, NCIS — Field Agent, NCISRA New Orleans (February 7, 2017–Present) — Rob Kerkovich: NCIS: New Orleans
 * Special Agent David “Dave” Flynn, NCIS Cyber Operations Division — Field Agent, NCIS Southwest Field Office (Cyber Operations Division) (March 19, 2017–Present) — Scott Grimes: NCIS: Los Angeles – “Red”, “Getaway”

A/U

 * Special Agent Caitlin “Kate” DiNozzo (née Todd), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 30, 2003–?) — Sasha Alexander: NCIS – “Life Before His Eyes”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: NCIS – “Life Before His Eyes”

Fanfiction
Sunnydale”
 * Special Agent Caitlin “Kate” Todd, NCIS Major Case Response Team (KIA, 2005), Presidential Medal of Freedom Recipient (posthumously) — Field Agent, NCIS Major Case Response Team (September 30, 2003–May 24, 2005, KIA) — Sasha Alexander: “Chaos Theory”
 * Special Agent Caitlin “Kate” Todd, NCIS Major Case Response Team (KIA, 2005), Presidential Medal of Freedom Recipient (posthumously) — Field Agent, NCIS Major Case Response Team (September 30, 2003–May 24, 2005, KIA) — Sasha Alexander: “Agent Afloat, Atlantis”
 * Special Agent Caitlin “Kate” Todd, NCIS Major Case Response Team (KIA, 2005), Presidential Medal of Freedom Recipient (posthumously) — Field Agent, NCIS Major Case Response Team (September 30, 2003–May 24, 2005, KIA) — Sasha Alexander: “Dawn’s NCIS”
 * Special Agent Caitlin “Kate” Todd, NCIS Major Case Response Team (KIA, 2005), Presidential Medal of Freedom Recipient (posthumously) — Field Agent, NCIS Major Case Response Team (September 30, 2003–May 24, 2005, KIA) — Sasha Alexander: “Whispers of Willow”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Lost Soul”, “Finding Closure”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Chaos Theory”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Dawn’s NCIS”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Semper Fi”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “After
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Whispers of Willow”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “A Rose by Any Other Name”, “Perfect”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (September 28, 2004–?) — Sean Murray: “Top Secret Valor”
 * Special Agent Kensi Marie Blye, B.Sc. (Forensic science), NCIS Office of Special Projects — Field Agent, NCIS Office of Special Projects (April 28, 2009–Present) — Daniela Ruah: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Special Agent Ziva David, NCIS Major Case Response Team — Probationary Field Agent, NCIS Major Case Response Team (October 13, 2009–?) — Cote de Pablo: “A Rose by Any Other Name”, “Perfect”
 * Special Agent Ziva David, NCIS Major Case Response Team — Probationary Field Agent, NCIS Major Case Response Team (October 13, 2009–?) — Cote de Pablo: “The Lost Son”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS Office of Special Projects — Field Agent, NCIS Office of Special Projects (September 21, 2010–Present) — Sean Murray: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Special Agent Dwayne Wilson, NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (October 12, 2010–Present) — Rey Valentin: “Two Roads Diverged”
 * Special Agent Ned Dorneget, NCIS Major Case Response Team — Field Agent, NCIS Major Case Response Team (October 12, 2010–Present) — Matt L. Jones: “Two Roads Diverged”
 * Special Agent Ziva David, NCIS — Special Agent Afloat, Naval Criminal Investigative Service (2011–Present) — Cote de Pablo: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Special Agent Timothy “Tim” McGee, M.Sc. (Computer forensics), B.Sc. (Biomedical engineering), NCIS — Field Agent, Naval Criminal Investigative Service (June 1, 2011–Present) — Sean Murray: “The Lost Son”
 * Special Agent Ziva David, NCIS Major Case Response Team — Junior Field Agent, NCIS Major Case Response Team (September 20, 2011–?) — Cote de Pablo: “Top Secret Valor”
 * Special Agent Eleanor “Ellie” Bishop, NCIS Major Case Response Team — Probationary Field Agent, NCIS Major Case Response Team (2014–Present) — Emily Wickersham: “Crossing the Same River”
 * Special Agent Samuel “Sam” Hood, NCIS Major Case Response Team — Probationary Field Agent, NCIS Major Case Response Team (2014–Present) — “Crossing the Same River”
 * Special Agent Jennifer “Jen” Coates, B.A. (Psychology), NCIS Major Case Response Team — Probationary Field Agent, NCIS Major Case Response Team (2014–Present) — Zoe McLellan: “Crossing the Same River”
 * Special Agent Ziva Novak (née David), NCIS — Protective Service Specialist, Naval Criminal Investigative Service (2018–Present) — Cote de Pablo: “Extraordinary Valor”

Other employees

 * Dr. Donald “Ducky” Mallard, M.E., M.D., M.A. (Forensic psychology), NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: JAG – “Ice Queen”, “Meltdown”, NCIS, NCIS: New Orleans – “Musician, Heal Thyself”, “Sister City”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perette: JAG – “Ice Queen”, “Meltdown”, NCIS, NCIS: Los Angeles – “Killshot”, “Random on Purpose”, NCIS: New Orleans – “Carrier”, “Sister City”
 * Gerald Jackson, M.E., NCIS (resigned, 2004) — Assistant Medical Examiner, NCIS Headquarters (September 23, 2003–March 2, 2004, resigned) — Pancho Demmings: NCIS
 * Dr. James “Jimmy” Palmer, M.E., M.D., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: NCIS, NCIS: New Orleans – “Sister City”
 * Operational Psychologist (Dr.) Nathaniel “Nate” Getz, Ph.D. (Psychology), NCIS Office of Special Projects — Operational Psychologist, NCIS Office of Special Projects (April 28, 2009–Present) — Peter Cambor: NCIS – “Legend”, NCIS: Los Angeles
 * Technical Operator Eric Bartholomew Beale, III, NCIS Office of Special Projects — Technical Operator, NCIS Office of Special Projects (April 28, 2009–Present) — Barrett Foa: NCIS – “Legend”, NCIS: Los Angeles
 * Intelligence Analyst Nell Jones, NCIS Office of Special Projects — Intelligence Analyst, NCIS Office of Special Projects (October 5, 2010–Present) — Renée Felice Smith: NCIS: Los Angeles
 * Intelligence Analyst Roy Haines, NCIS Contingency Response Field Office — Intelligence Analyst, NCIS Contingency Response Field Office (Red Team) (March 19, 2013–?) — John Corbett: NCIS: Los Angeles – “Red”
 * Technical Operator Kai Ashe, NCIS Contingency Response Field Office — Technical Operator, NCIS Contingency Response Field Office (Red Team) (March 19, 2013–?) — Edwin Hodge: NCIS: Los Angeles – “Red”
 * Investigative Computer Specialist Patton Plame, NCIS — Investigative Computer Specialist, NCISRA New Orleans (October 14, 2014–Present) — Daryl “Chill” Mitchell: NCIS: New Orleans

A/U

 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: NCIS – “Life Before His Eyes”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perette: NCIS – “Life Before His Eyes”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: NCIS – “Life Before His Eyes”

Fanfiction

 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Lost Soul”, “Finding Closure”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Chaos Theory”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Agent Afloat, Atlantis”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Dawn’s NCIS”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Semper Fi”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “After Sunnydale”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Whispers of Willow”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “A Rose by Any Other Name”, “Perfect”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Rising from the Darkness”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “The Lost Son”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Top Secret Valor”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS (Ret. 2014) (d. 2018) — Chief Medical Examiner, NCIS Headquarters (December, 1992–May 21, 2014, Retired) — David McCallum: “Extraordinary Valor”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Crossing the Same River”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS (resigned, 2008) — Chief Medical Examiner, NCIS Headquarters (December, 1992–April 15, 2008, resigned) — David McCallum: “Bad McGee?”, “Very Good McGee”, “Timothy’s Heart”, “What was that, Probie?”, “Do You Know I’m Watching?”, “Mr. Secretary”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Moving On”
 * Dr. Donald Horatio “Ducky” Mallard, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (December, 1992–Present) — David McCallum: “Nexus of Chaos”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Seeking Judgment”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Lost Soul”, “Finding Closure”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Chaos Theory”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Agent Afloat, Atlantis”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Dawn’s NCIS”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Semper Fi”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “After Sunnydale”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Whispers of Willow”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “A Rose by Any Other Name”, “Perfect”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Rising from the Darkness”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS (fired, 2013) — Forensics Technician, NCIS Headquarters (1999–2013, fired) — Pauley Perrette: “The Lost Son”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS (incarcerated, 2013) — Forensics Technician, NCIS Headquarters (1999–2013, incarcerated) — Pauley Perrette: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Top Secret Valor”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Extraordinary Valor”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Crossing the Same River”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS (fired, 2008) — Forensics Technician, NCIS Headquarters (1999–April 15, 2008, fired) — Pauley Perrette: “Bad McGee?”, “Very Good McGee”, “Timothy’s Heart”, “What was that, Probie?”, “Do You Know I’m Watching?”, “Mr. Secretary”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Forensics Technician, NCIS Headquarters (1999–Present) — Pauley Perrette: “Moving On”
 * Forensics Technician Abigail “Abby” Sciuto, M.Sc. (Criminology, Forensic science), B.A. (Sociology, Criminology, Psychology), NCIS — Pauley Perrette: “Nexus of Chaos”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Lost Soul”, “Finding Closure”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Chaos Theory”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Agent Afloat, Atlantis”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Semper Fi”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “After Sunnydale”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Whispers of Willow”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “A Rose by Any Other Name”, “Perfect”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Rising from the Darkness”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “The Lost Son”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “The Importance of Respect”, “Anything for a Friend”, “Helping an Enemy”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Top Secret Valor”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Crossing the Same River”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Bad McGee?”, “Very Good McGee”, “Timothy’s Heart”, “What was that, Probie?”, “Do You Know I’m Watching?”, “Mr. Secretary”
 * James “Jimmy” Palmer, M.E., NCIS — Assistant Medical Examiner, NCIS Headquarters (May 11, 2004–Present) — Brian Dietzen: “Moving On”
 * Dr. James “Jimmy” Palmer, M.E., M.D., NCIS — Chief Medical Examiner, NCIS Headquarters (2018–Present) — Brian Dietzen: “Extraordinary Valor”