| 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 |
| Jon Cryer | Dr. Cyril Taft |
| Scottie Thompson | Jeanne Benoit |
| Laura San Giacomo | Dr. Grace Confalone |
| David Chisum | Dr. David Woods |
| Michael Cram | ATF Special Agent Earl Kitt |
| Jodi Harris | Catherine Taft |
| Alice Hunter | Navy Petty Officer First Class Janet Shor |
| Walter Fauntleroy | Navy Petty Officer First Class Lamar Finn |
| Max E. Williams | Louis Shekian |
| Catherine Kamei | Nurse Ella |
| Armand Assante | René 'La Grenouille' Benoit |
| Troy Mittleider | Fritz Beimler |
| Mike Monroe | Father Gerard Carlin |