| Mark Harmon | Leroy Jethro Gibbs |
| Michael Weatherly | Anthony DiNozzo |
| Pauley Perrette | Abby Sciuto |
| Sean Murray | Timothy McGee |
| Brian Dietzen | Jimmy Palmer |
| Emily Wickersham | Ellie Bishop |
| Rocky Carroll | Leon Vance |
| David McCallum | Donald Mallard |
| Johann Urb | U.S. Park Police Sergeant Burt Moore |
| Laura Seay | Anna Dillon |
| Dohn Norwood | Fairfax County P.D. Sergeant Sherman T. Harper |
| Cameron Deane Stewart | Ben Koss |
| Blake Hood | Bennett Jermaine |
| Lou Ferrigno Jr. | Dave Lancellotti |
| Karl T. Wright | John Hicks |
| Salli Richardson-Whitfield | Carrie Clark |
| Anthony Hill | Navy Petty Officer Third Class John Blaney 'JB' Hicks |
| Samantha Boscarino | Mary LaFleur |
| Sergio Enrique | Marine |
| Ray Mabus | Norvell |