Tom O'Brien
40 credits
- McVeigh
2024 Gun Show Vendor
- Alan and the Rulers of the Air
2023 Greg
- Bones and All
2022 Mr. Harmon (uncredited)
- Alien Incursion
2006 Stucker
- Supernatural
2005 Clark Adams
- The Perfect Husband: The Laci Peterson Story
2004 Det. Frank Ross
- D.C. Sniper: 23 Days of Fear
2003 Lieutenant Jacobs
- The Dead Zone
2002 Dr. Jaeger
- Smallville
2001 Roger Nixon
- CSI: Crime Scene Investigation
2000 Max Duncan
- The Astronaut's Wife
1999 Allen Dodge
- Facade
1999 Bob Kelner
- Charmed
1998 Zile
- Stargate SG-1
1997 Brian Vogler
- Timecop
1997
- Early Edition
1996
- JAG
1995 Captain Cahill
- Baby Brokers
1994 Frankie Dees
- For Love and Glory
1993 Christian Morgan
- The X-Files
1993 Sgt. Louis Frisch
- Crash Landing: The Rescue of Flight 232
1992 Chris Porter
- Son of the Morning Star
1991 Charlie Reynolds
- Bar Girls
1990 Jack Gallagher
- Storm and Sorrow
1990 John Roskelly
- Flashback
1990 Phil Prager
- Love and Lies
1990 Tom
- Physical Evidence
1989 Matthew "Matt" Farley
- The Accused
1988 Larry
- Satisfaction
1988 Hubba
- thirtysomething
1987
- 21 Jump Street
1987 Jake Whitaker / Danny Jacobson
- The Big Easy
1986 Bobby McSwain
- L.A. Law: Pilot
1986 Justin Pregerson
- L.A. Law
1986 Justin Pregerson
- Throb
1986
- Moonlighting
1985 Inmate
- Call to Glory
1984 Patrick Thomas
- Call to Glory
1984 Patrick Thomas
- Murder, She Wrote
1984 Jason Giles
