| Name |
Character |
Series Involved In |
| Adam Baldwin |
Knowle Rohrer |
|
| Angelo Vacco |
|
|
| Bill Dow |
Dad |
|
| Brendan Beiser |
|
|
| Brian Thompson |
Alien Bounty Hunter |
|
| Bruce Harwood |
John Franklin Byers |
|
| Campbell Lane |
Hohman's Father |
|
| Cary Elwes |
|
|
| Charles Cioffi |
Section Chief Scott Blevins |
|
| Chilton Crane |
Margaret Hohman |
|
| Chris Owens |
Special Agent Jeffery Spender |
|
| Dean Haglund |
Ringo Langley |
|
| Don S. Williams |
Elder |
|
| Floyd "Red Crow" Westerman |
|
|
| Garry Davey |
Hunter; Dr. Keats |
|
| George Murdock |
|
|
| Gillian Barber |
Agent Nancy Spiller |
|
| James Pickering Jr. |
Assistant Director Kersh |
|
| Jeff Gulka |
|
|
| Jerry Hardin |
Deep Throat |
|
| John Finn |
|
|
| John Neville |
The Well-Manicured Man |
|
| Kirk B.R. Woller |
|
|
| Larry Musser |
|
|
| Laurie Holden |
Marita Covarrubias |
|
| Megan Leitch |
Samantha Mulder |
|
| Melinda McGraw |
Melissa Scully |
|
| Michael McKean |
|
|
| Michael Puttonen |
Motel Manager; Dr. Pilsson |
season 1; 204 |
| Mimi Rogers |
Special Agent Diane Fowley |
|
| Nicholas Lea |
Alex Krycek; Michael |
|
| Pat Skipper |
Captain William Scully, Jr. |
|
| Peter Donat |
Bill Mulder |
|
| Rebecca Toolan |
Teena Mulder |
|
| Sheila Larken |
Margaret Scully |
|
| Stephen Williams |
X |
|
| Tom Braidwood |
Melvin Frohicke |
|
| Veronica Cartwright |
Cassandra Spender |
|
| William MacDonald |
Dr. Oppenheim; Federal Marshall |
season 1; 202 |
| Zachary Ansley |
Billy Miles |
|