Actors in both NCIS and The O.C.
83 actors have appeared in both NCIS and The O.C., across 600 episodes. The most-credited is Alan Dale, Tom Morrow in NCIS and Caleb Nichol in The O.C..
| Actor | In NCIS | In The O.C. | Eps | Eps |
|---|---|---|---|---|
| Alan Dale | Tom Morrow | Caleb Nichol | 16 | 14 |
| Michael Nouri | Mossad Director Eli David | Neil Roberts | 5 | 19 |
| Samaire Armstrong | Melissa Goodman | Anna Stern | 1 | 15 |
| Shannon Lucio | Amy Harrison | Lindsay Gardner | 1 | 12 |
| Elayn J. Taylor | Odette Malone | Dr. Harris | 5 | 2 |
| Jeff Hephner | Navy Commander Peter "Banshee" Sheridan | Matt Ramsey | 1 | 13 |
| Kim Oja | Karen Wilkerson | Taryn Baker | 1 | 9 |
| Colin Hanks | DOD IG Investigator Richard Parsons | Grady Bridges | 3 | 1 |
| Jeri Ryan | Rebecca Chase | Charlotte Morgan | 1 | 7 |
| T.J. Thyne | Fletcher Voss, Carl | Larry Bernstein | 3 | 1 |
| Brandon Quinn | Gregg Abell | Spencer Bullit | 1 | 6 |
| Gary Grubbs | Coroner Elmo Poke | Gordon Bullit | 1 | 6 |
| Chris Carmack | Kevin Nelson | Luke Ward | 1 | 2 |
| Kathleen York | Stephanie Flynn | Renee Wheeler | 1 | 4 |
| Nicholas Gonzalez | David Silva | D.J. | 1 | 6 |
| Al Sapienza | Maurice Riva, Cmdr. William Foley | Club Owner | 3 | 1 |
| Danielle Bisutti | Secret Service Special Agent Ashley Winter | Joan | 1 | 5 |
| Daphne Ashbrook | Donna Peyton | Dawn Atwood | 1 | 5 |
| Gregory Itzin | FBI Director, Spencer Downing | Steven Herbert | 3 | 1 |
| José Zúñiga | Navy Capt. Dr. Adrian De La Casa | Jason Spitz | 1 | 3 |
Cast data from TVmaze, licensed CC BY-SA 4.0.