Main
Current
| Image | Character | Notes | Portrayed by |
|---|---|---|---|
 |
Dwayne Cassius Pride | NCIS Supervisory Special Agent | Scott Bakula |
 |
Christopher LaSalle | NCIS Special Agent | Lucas Black |
 |
Tammy Gregorio | NCIS Special Agent (Ex-FBI Agent) |
Vanessa Ferlito |
 |
Sebastian Lund | NCIS Forensics Agent | Rob Kerkovich |
 |
Patton Plame | NCIS computer specialist | Daryl "Chill" Mitchell |
 |
Dr. Loretta Wade | Medical examiner | CCH Pounder |
Former
| Image | Character | Notes | Portrayed by |
|---|---|---|---|
 |
Meredith Brody | Former NCIS Special Agent | Zoe McLellan |
 |
Sonja Percy | FBI Agent Former NCIS Special Agent/ATF Agent |
Shalita Grant |
Recurring
- Shanley Caswell as Laurel Pride
- Chelsea Field as Rita Deveraux
- 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
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 |