Person
Tom O'Brien
Acting · Born 1965-04-12
Known for
Supernatural
Clark Adams
Smallville
Roger Nixon
CSI: Crime Scene Investigation
Max Duncan
Stargate SG-1
Brian Vogler
The X-Files
Sgt. Louis Frisch
Charmed
Zile
JAG
Captain Cahill
Murder, She Wrote
Jason Giles
21 Jump Street
Jake Whitaker / Danny Jacobson
L.A. Law
Justin Pregerson
Filmography
- 2024McVeighGun Show Vendor
- 2023Alan and the Rulers of the AirGreg
- 2022Bones and AllMr. Harmon (uncredited)
- 2006Alien IncursionStucker
- 2005SupernaturalClark Adams
- 2004The Perfect Husband: The Laci Peterson StoryDet. Frank Ross
- 2003D.C. Sniper: 23 Days of FearLieutenant Jacobs
- 2002The Dead ZoneDr. Jaeger
- 2001SmallvilleRoger Nixon
- 2000CSI: Crime Scene InvestigationMax Duncan
- 1999The Astronaut's WifeAllen Dodge
- 1999FacadeBob Kelner
- 1998CharmedZile
- 1997Timecop
- 1997Stargate SG-1Brian Vogler
- 1996Early Edition
- 1995JAGCaptain Cahill
- 1994Baby BrokersFrankie Dees
- 1993For Love and GloryChristian Morgan
- 1993The X-FilesSgt. Louis Frisch
- 1992Crash Landing: The Rescue of Flight 232Chris Porter
- 1991Son of the Morning StarCharlie Reynolds
- 1990Storm and SorrowJohn Roskelly
- 1990Bar GirlsJack Gallagher
- 1990Love and LiesTom
- 1990FlashbackPhil Prager
- 1989Physical EvidenceMatthew "Matt" Farley
- 1988The AccusedLarry
- 1988SatisfactionHubba
- 1987thirtysomething
- 198721 Jump StreetJake Whitaker / Danny Jacobson
- 1986The Big EasyBobby McSwain
- 1986Throb
- 1986L.A. Law: PilotJustin Pregerson
- 1986L.A. LawJustin Pregerson
- 1985The Twilight Zone
- 1985MoonlightingInmate
- 1984Murder, She WroteJason Giles
- 1984Call to GloryPatrick Thomas
- 1984Call to GloryPatrick Thomas
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