| Mark Harmon | Leroy Jethro Gibbs |
| Michael Weatherly | Anthony DiNozzo |
| Cote de Pablo | Ziva David |
| Pauley Perrette | Abby Sciuto |
| Sean Murray | Timothy McGee |
| Rocky Carroll | Leon Vance |
| David McCallum | Donald Mallard |
| Cameron Monaghan | Nick Peyton |
| Don McManus | Mark Stafford |
| Daphne Ashbrook | Donna Peyton |
| Amy Landecker | Dr. Ellen Gracey |
| Gregg Daniel | Parking Enforcement Officer Riggs |
| Ron Morehouse | Parking Enforcement Officer Bixby |
| S.E. Perry | Retired Marine Colonel Yale Peyton |
| Dmitri Schuyler-Linch | Young Nick Peyton |
| Sarah Jane Morris | NCIS Special Agent Erica Jane 'EJ' Barrett |