Tom O'Brien
- Acting
- April 12, 1965
Known for
Filmography
- McVeigh · Gun Show Vendor
- Alan and the Rulers of the Air · Greg
- Bones and All · Mr. Harmon (uncredited)
- Alien Incursion · Stucker
- Supernatural · Clark Adams
- The Perfect Husband: The Laci Peterson Story · Det. Frank Ross
- D.C. Sniper: 23 Days of Fear · Lieutenant Jacobs
- The Dead Zone · Dr. Jaeger
- Smallville · Roger Nixon
- CSI: Crime Scene Investigation · Max Duncan
- The Astronaut's Wife · Allen Dodge
- Facade · Bob Kelner
- Charmed · Zile
- Timecop
- Stargate SG-1 · Brian Vogler
- Early Edition · Kurt Porter
- JAG · Captain Cahill
- Baby Brokers · Frankie Dees
- For Love and Glory · Christian Morgan
- The X-Files · Sgt. Louis Frisch
- Crash Landing: The Rescue of Flight 232 · Chris Porter
- Son of the Morning Star · Charlie Reynolds
- Storm and Sorrow · John Roskelly
- Bar Girls · Jack Gallagher
- Love and Lies · Tom
- Flashback · Phil Prager
- Physical Evidence · Matthew "Matt" Farley
- The Accused · Larry
- Satisfaction · Hubba
- thirtysomething
- 21 Jump Street · Jake Whitaker / Danny Jacobson
- The Big Easy · Bobby McSwain
- Throb
- L.A. Law: Pilot · Justin Pregerson
- L.A. Law · Justin Pregerson
- The Twilight Zone
- Moonlighting · Inmate
- Murder, She Wrote · Jason Giles
- Call to Glory · Patrick Thomas
- Call to Glory · Patrick Thomas