Actors in both Cold Case and The X-Files
188 actors have appeared in both Cold Case and The X-Files, across 374 episodes. The most-credited is Mitch Pileggi, Mitch Hathaway (2007) in Cold Case and Assistant Director Walter Skinner in The X-Files.
| Actor | In Cold Case | In The X-Files | Eps | Eps |
|---|---|---|---|---|
| Mitch Pileggi | Mitch Hathaway (2007) | Assistant Director Walter Skinner | 1 | 70 |
| Steven Williams | Ronde Brooks '09 | Mr. X | 1 | 13 |
| Jerry Hardin | Harry Hapgood '09 | Deep Throat | 1 | 11 |
| Nicki Aycox | Christina Rush | Chastity Raines | 11 | 1 |
| Raymond J. Barry | Paul Cooper | Senator Richard Matheson | 8 | 3 |
| Kevin McCorkle | Detective Gil Sherman | Cult Man #2 | 6 | 1 |
| Keith Szarabajka | Deputy Commissioner Patrick Doherty, Patrick Hogan | Anthony Tipet | 5 | 1 |
| Mark Rolston | Ari Gordon | Bud LaPierre, Richard Odin | 4 | 2 |
| Dondre T. Whitfield | Jarrod Jones | Agent | 3 | 1 |
| Susanna Thompson | Diane Yates '10 | Michelle Generoo | 3 | 1 |
| Brent Sexton | Ken Bream (1998) | Gravedigger, Steven Melnick | 1 | 2 |
| John Billingsley | George (2005) | Timothy "Timmy the Geek" Landau | 2 | 1 |
| John Diehl | Isaac Keller | Wilson "Pinker" Rawls | 2 | 1 |
| Silas Weir Mitchell | James Hogan | Dougie | 2 | 1 |
| Arye Gross | Oscar Anderson '81 | Dr. Puvogel | 1 | 1 |
| Dean Norris | Wayne Nelson (1994-2006) | U.S. Marshal Tapia | 1 | 1 |
| Don Swayze | Grant Hall (2007) | Terry Pruit | 1 | 1 |
| Eve Brenner | Johanna Hoffman (2006) | Little Old Lady | 1 | 1 |
| Jack McGee | Bobby McCallister (2006) | Bob Damphouse | 1 | 1 |
| James Handy | Roger Raitt (2005) | Detective Alan Cross | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.