Main[]
Current[]
| Image | Character | Portrayed by | Seasons |
|---|---|---|---|
 |
NCIS Supervisory Special Agent in Charge Dwayne Cassius Pride |
Scott Bakula | Season 1–present |
 |
NCIS Special Agent (Ex-FBI Agent) Tammy Gregorio |
Vanessa Ferlito | Season 3–present |
 |
NCIS Senior Special Agent Hannah Khoury |
Necar Zadegan | Season 5–present |
 |
NCIS Forensics/Junior Special Agent Sebastian Lund |
Rob Kerkovich | Season 1–present |
 |
NCIS computer specialist Patton Plame |
Daryl "Chill" Mitchell | Season 2–present (Recurring Season 1) |
 |
NCIS Special Agent Quentin Carter |
Charles Michael Davis | Season 6–present |
| File:Rita Deveraux.jpg | Rita Devereaux | Chelsea Field | Season 7–present (Recurring Season 3–6) |
 |
Medical examiner Dr. Loretta Wade |
CCH Pounder | Season 1–present |
Former[]
| Image | Character | Portrayed by | Seasons |
|---|---|---|---|
 |
Former NCIS Special Agent Meredith Brody |
Zoe McLellan | Season 1–2 |
 |
FBI Agent (Former NCIS Special Agent/ATF Agent) Sonja Percy |
Shalita Grant | Season 1–4 |
 |
Former NCIS Special Agent Christopher LaSalle |
Lucas Black | Season 1–6 |
Recurring[]
- Shanley Caswell as Laurel Pride
- Riann Steele as Sydney Halliday
- Derek Webster as Raymond Isler
- Callie Thorne as Sasha Broussard
- Steven Weber as Douglas Hamilton
- John Livingston as Paul Jenks
- Sharon Conley as Karen Izzo
- Gillian Alexy as Savannah Kelly
- Tom Arnold as Elvis Bertrand
- Ellen Hollman as Amelia Parsons Stone
- Amy Rutberg as The Angel
- Jason Allen Carvell as Jimmy Boyd
- Amanda Warren as Mayor Zahra Taylor
- Mark Gessner as Oliver Crane
- Hal Ozsan as Ryan Porter
- Lenny Platt as Detective David Cabrera
- Keith David as Gene Holloway
- Venus Ariel as Naomi Porter
- Joanna Cassidy as Mena Cantrell
- Cory Hart as D.I.A. Agent Winchester
Crossover/Guest[]
| Image | Character | Notes | Portrayed by |
|---|---|---|---|
 |
Abigail Borin | CGIS Special Agent | Diane Neal |
 |
Leroy Jethro Gibbs | NCIS Supervisory Special Agent | Mark Harmon |
 |
Timothy McGee | NCIS Special Agent | Sean Murray |
 |
Eleanor Bishop | NCIS Special Agent | Emily Wickersham |
 |
Nicolas Torres | NCIS Special Agent | Wilmer Valderrama |
 |
Abigail Sciuto | NCIS Forensic Specialist | Pauley Perette |
 |
James "Jimmy" Palmer | NCIS Assistant Medical Examiner | Brian Dietzen |
 |
Leon Vance | NCIS Director | Rocky Caroll |
 |
Donald "Ducky" Mallard | NCIS Chief Medical Examiner | David McCallum |