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Terry O'Quinn
Known for: ActingTerrance 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).
Filmography 44
Lost
as John Locke 
Secrets and Lies
as John Warner 
Primal Fear
as Yancy 
American Outlaws
as Rollin H. Parker 
Patriot
as Tom Tavner 
Tombstone
as Mayor Clum 
Young Guns
as Alex McSween 
The X-Files
as Michaud 
Ultra City Smiths
as Captain Krieger (voice) 
Silver Bullet
as Sheriff Joe Haller 
The Rocketeer
as Howard Hughes 
Heaven's Gate
as Captain Minardi 
Blind Fury
as Frank Devereaux 
All the Right Moves
as Freeman Smith 
Gang Related
as Sam Chapel 
Black Widow
as Bruce 
The Cutting Edge
as Jack Moseley 
Unsung Hero
as Grandpa James 
Ring of Fire
as Oliver Booth 
Places in the Heart
as Buddy Kelsey 
The Stepfather
as Jerry Blake 
Stepfather 2
as Dr. Gene Clifford / Jerry Blake 
Shadow Conspiracy
as Frank Ridell 
Ghosts of Mississippi
as Judge Hilburn 
SpaceCamp
as Launch Director 
Amityville: A New Generation
as Detective Clark 
Company Business
as Colonel Pierce Grissom 
A Friend to Die For
as Ed Saxe 
Pin
as Dr. Frank Linden 
Mrs. Soffel
as Detective Buck McGovern 
New Life
as Dr. Philip Sumrall 
Getting LOST
as Self 
The Locket
as Casey Keddington 
Rated X
as J.R. Mitchell 
My Stepson, My Lover
as Richard Cory 
Women of Valor
as Maj. Tom Patterson 
Christmas Sail
as Dennis 
Perry Mason: The Case of the Desperate Deception
as Curt Mitchell 
MacShayne: Winner Takes All
as Danny Leggett 
The Good Fight
as Henry Cragin 
Stranger on My Land
as Connie Priest 
Taken from Me: The Tiffany Rubin Story
as Mark Miller 
Justice in a Small Town
as Harris Wiley 
WW3
as Eric Farrell