Actors in both NCIS and Quantum Leap
89 actors have appeared in both NCIS and Quantum Leap, across 603 episodes. The most-credited is Melinda McGraw, Diane Sterling in NCIS and Laura Downey in Quantum Leap.
| Actor | In NCIS | In Quantum Leap | Eps | Eps |
|---|---|---|---|---|
| Melinda McGraw | Diane Sterling | Laura Downey | 6 | 1 |
| Scott Bakula | Special Agent Dwayne Cassius "King" Pride | John Beckett | 4 | 2 |
| John D'Aquino | Ken Ashmore | Frank LaMotta | 1 | 3 |
| John Finn | Marine Commandant Charles T. Ellison | Admiral Spencer | 3 | 1 |
| Michael Bellisario | Charles Sterling | Billy, Kid #2, Little Boy | 4 | 4 |
| Susan Diol | Doris Sawyer, Dr. Leslie Burke | Beth Calavicci | 2 | 2 |
| Troian Bellisario | Sara McGee | Teresa Bruckner | 3 | 1 |
| Bruce McGill | Henry Rogers | Al The Bartender, Weird Ernie | 1 | 2 |
| CCH Pounder | Jefferson Parish Coroner Doctor Loretta Wade | Mama Harper | 2 | 1 |
| Fran Bennett | Mary Elaine Smith | Marie Billings, Ada Simpson | 2 | 4 |
| James Morrison | CIA Assistant Director Jonathan Overmeier, U.S. Senator John Phillips | Joe Deever | 2 | 1 |
| K Callan | Bertha Jones-Delacroix, Grace Mullen | Lenore Mackenzie | 2 | 1 |
| Kelli Williams | NCIS Special Agent Maureen Cabot | Shannon | 2 | 1 |
| Peter Jason | Marine Sergeant Major Robert King | Kilpatrick | 2 | 1 |
| Robert Pine | Congressman Theodore Randolph, Golfer Ben | Ted | 2 | 1 |
| Angelo Tiffe | Jed Hamilton | Carl Morgan | 1 | 1 |
| Claudia Christian | Belgian Vsse Officer Louise Moreau | Allison Grimsley | 1 | 1 |
| Danny Nucci | Gordon Fremont | Tony Pronti | 1 | 1 |
| David Tom | Maple | Daniel Burke | 1 | 1 |
| Eric Bruskotter | Lester | Beau, Glen, Red | 1 | 3 |
Cast data from TVmaze, licensed CC BY-SA 4.0.