| Title (Year(s) of Appearance) |
Role |
Character |
| Twin Peaks (1990-1991) Credited in 3 episode(s) | | |
 | Episode 19 (12/15/1990) | Actor |
DEA Agent Dennis/Denise Bryson |
| Episode 20 (01/12/1991) | Actor |
DEA Agent Dennis/Denise Bryson |
| Episode 21 (01/19/1991) | Actor |
DEA Agent Dennis/Denise Bryson |
| The X-Files (1994-2002) Credited in 8 season(s) and an additional 10 episode(s) | | |
| Season One (1993-1994) | Actor |
Fox Mulder |
| Season Two (1994-1995) | Actor |
Fox Mulder |
| Colony (Part 1/2) (02/10/1995) | Writer |
|
| Anasazi (Part 1/3) (05/19/1995) | Writer |
|
| Season Three (1995-1996) | Actor |
Fox Mulder |
| Avatar (04/26/1996) | Writer |
|
| Talitha Cumi (Part 1/2) (05/17/1996) | Writer |
|
| Season Four (1996-1997) | Actor |
Fox Mulder |
| Season Five (1997-1998) | Actor |
Fox Mulder |
| Season Six (1998-1999) | Actor |
Fox Mulder |
| The Unnatural (04/25/1999) | Writer, Director |
|
| Season Seven (1999-2000) | Actor |
Fox Mulder |
| The 6th Extinction II: Armor Fati (11/14/1999) | Writer |
|
| Hollywood A.D. (04/30/2000) | Writer, Director |
|
| Season Eight (2000-2001) | Actor |
Fox Mulder |
| William (04/28/2002) | Director, Writer |
|
| The Truth (Part 1/2) (05/19/2002) | Actor |
Fox Mulder |
| The Truth (Part 2/2) (05/19/2002) | Actor |
Fox Mulder |
| The Lone Gunmen (2001) Credited in 1 episode(s) | | |
| All About Yves (05/11/2001) | Actor |
Special Agent Fox Mulder |
