
Acting · 73 years old
Sault Sainte Marie, Michigan, USA
Terrance Quinn (born July 15, 1952), known professionally as Terry O'Quinn, is an American actor. He is best known for his Emmy Award-winning performance as John Locke on the TV series Lost (2004–2010). He had roles in films including The Stepfather (1987), The Rocketeer (1991), Heaven's Gate (1980), Silver Bullet (1985), Young Guns (1988), Blind Fury (1989), Tombstone (1993) and Primal Fear (1996). Other prominent television roles include Peter Watts in Millennium (1996–1999), FBI Asst. Director Kendall in Alias (2002–2004), Commander Joe White in Hawaii Five-0 (2011–2018), and Tom Tavner in Patriot (2015–2018).

Deliver Them from Evil: The Taking of Alta View
Sergeant Don Bell

Hallmark Hall of Fame
Michael Keddington's Abusive Father

Star Trek: The Next Generation
Admiral Eric Pressman

The X-Files
Lt. Brian Tillman

The X-Files
Shadow Man

Mysteries of the Missing
Self - Host

The West Wing
Nicholas Alexander

Homicide: Life on the Street
Bailey Lafeld

Tales from the Crypt
Inspector Martin Zeller

The Walking Dead: The Ones Who Live
Major General Johnathan Beale

Lost
John Locke

Resident Alien
Peter Bach

Resident Alien
Peter Bach (voice)

The Twilight Zone
Curt Lockridge (segment "Chameleon")

Hawaii Five-0
Joe White

Millennium
Peter Watts

Roswell
Carl

Primal Fear
Yancy

NCIS
Will Ryan

Law & Order: Criminal Intent
Gordon Buchanan