Actors in both The X-Files and Twin Peaks
20 actors have appeared in both The X-Files and Twin Peaks, across 266 episodes. The most-credited is Don S. Davis, Captain William Scully in The X-Files and Major Garland Briggs in Twin Peaks.
| Actor | In The X-Files | In Twin Peaks | Eps | Eps |
|---|---|---|---|---|
| Don S. Davis | Captain William Scully | Major Garland Briggs | 2 | 19 |
| Michael Horse | Sheriff Charley Tskany | Deputy Tommy "Hawk" Hill | 1 | 14 |
| James Morrison | Dr. Robert Wieder | Warden Dwight Murphy | 1 | 5 |
| David Duchovny | Special Agent Fox Mulder | DEA Agent Dennis / Denise Bryson | 1 | 4 |
| Michael J. Anderson | Mr. Nutt | The Man From Another Place | 1 | 4 |
| Richard Beymer | Dr. Jack Franklin | Benjamin Horne | 1 | 6 |
| Willie Garson | Henry Weems, Quinton 'Roach' Freely | Heavy Metal Roadie | 2 | 1 |
| Jack McGee | Bob Damphouse | Bartender | 1 | 1 |
| Rodney Rowland | Ed Jerse | Chuck | 1 | 1 |
| Robyn Lively | Angela Schiff | Lana Budding Milford | 1 | 6 |
| Frances Bay | Dorothy | Mrs. Tremond | 1 | 1 |
| John Savage | Henry Trondheim | Detective Clark | 1 | 1 |
| Jan D'Arcy | Judge Kann | Sylvia Horne | 1 | 5 |
| John Apicella | Greg Pincus | Jeffrey Marsh | 1 | 2 |
| Linda Porter | Elderly Woman | Lady Slot-Addict | 1 | 3 |
| Claire Stansfield | Jersey Devil | Sid | 1 | 2 |
| Hank Harris | Dylan Lokensgard | Prison Tech | 1 | 1 |
| Casey C. O'Neill | Cemetary Grounds Keeper | Skipper | 1 | 1 |
| Charles Hoyes | Howard Crittendon | Decker | 1 | 1 |
| John Billingsley | Timothy "Timmy the Geek" Landau | Dr. Ben | 1 | 1 |
Cast data from TVmaze, licensed CC BY-SA 4.0.