Biography

Born in Burbank, California, Tom O'Brien began his acting career in 1983 at San Francisco's American Conservatory Theatre, as a student of the conservatory and member of the acting company. His stage debut was Marsha Norman's "The Holdup." Other stage credits include "Mass Appeal"; "A Midsummer Night's Dream", as Puck; "The Sleeping Prince" with 'Annette Bening'; "1918"; "The Lower Depths"; and "Da Carravaggio", with Manhattan Class Company, in New York. Feature credits include The Astronaut's Wife (1999), The Big Easy (1986), The Accused (1988), Flashback (1990), Facade (1999), and Physical Evidence (1989). Television credits include D.C. Sniper: 23 Days of Fear (2003) for USA Network, with Charles S. Dutton, and a recurring role on WB's Smallville (2001), as Journalist Roger Nixon. Guest Star turns include Stargate SG-1 (1997), The Dead Zone (2002), CSI: Crime Scene Investigation (2000), The X-Files (1993), JAG (1995), Men (1989), Pilot (1999), NYPD Blue (1993), Philly (2001), Dark Skies (1996), Early Edition (1996), L.A. Law (1986), Timecop (1997), The Strip (1999), and Thirtysomething (1987). TV films include the ABC mini-series Son of the Morning Star (1991); NBC's Baby Brokers (1994); CBS's Love and Lies (1990), and Lifetime's Storm and Sorrow (1990).
- IMDb mini biography by: zerodaygroupproductions@proton.me

He made guest appearances on all four of the longest running North American science fiction series: The X-Files (1993), Stargate SG-1 (1997), Smallville (2001) and Supernatural 2005.

Options Sheri S. Tepper novel 'The Family Tree'.