Terry O'Quinn
Biography
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).
Known For

NCIS

Lost

Hawaii Five-0

Law & Order: Criminal Intent

The X-Files

The X-Files

Star Trek: The Next Generation

The West Wing
All Movies (74)
- Getting LOST2024 · as Self
- Unsung Hero2024 · as Grandpa James
- Christmas Sail2021 · as Dennis
- New Life2016 · as Dr. Philip Sumrall
- Taken from Me: The Tiffany Rubin Story2011 · as Mark Miller
- Phenomenon II2003
- Old School2003 · as Goldberg (uncredited)
- The Locket2002 · as Casey Keddington
- Town Diary2002
- Hometown Legend2002 · as Buster Schuler
- American Outlaws2001 · as Rollin H. Parker
- WW32001 · as Eric Farrell
- Semper Fi2001 · as Cliff's Father
- Rated X2000 · as J.R. Mitchell
- Murder in a Small Town1999 · as Sidney Lassiter
- The X-Files1998 · as Michaud
- Breast Men1997 · as Hersch Lawyer
- My Stepson, My Lover1997 · as Richard Cory
- On the Edge of Innocence1997 · as David Walker
- Shadow Conspiracy1997 · as Frank Ridell
- Ghosts of Mississippi1996 · as Judge Hilburn
- Primal Fear1996 · as Yancy
- Ray Alexander: A Menu for Murder1995 · as Frank Darnell
- Shadow Warriors1995 · as Dr. Connors
- Lipstick Camera1994 · as Raymond Miller
- A Friend to Die For1994 · as Ed Saxe
- Justice in a Small Town1994 · as Harris Wiley
- Don't Talk to Strangers1994 · as Bonner
- Heart of a Child1994 · as Gordon Holc
- MacShayne: Winner Takes All1994 · as Danny Leggett
- Tombstone1993 · as Mayor Clum
- Amityville: A New Generation1993 · as Detective Clark
- Visions of Murder1993 · as Adm. Truman Hager
- Born Too Soon1993 · as Dr. Friedman
- The Good Fight1992 · as Henry Cragin
- Wild Card1992 · as Barlow
- My Samurai1992
- Sexual Advances1992 · as Cliff Ripley
- Trial: The Price of Passion1992 · as Bob Altschuler
- Deliver Them from Evil: The Taking of Alta View1992 · as Sergeant Don Bell
- The Cutting Edge1992 · as Jack Moseley
- Company Business1991 · as Colonel Pierce Grissom
- The Rocketeer1991 · as Howard Hughes
- Shoot First: A Cop's Vengeance1991 · as Sergeant Nicholas
- The Last to Go1991 · as Daniel
- Kaleidoscope1990 · as Henry
- Blood Oath1990 · as Major Beckett
- Perry Mason: The Case of the Desperate Deception1990 · as Curt Mitchell
- Stepfather 21989 · as Dr. Gene Clifford / Jerry Blake
- The Forgotten One1989 · as Bob Anderson
- Blind Fury1989 · as Frank Devereaux
- Roe vs. Wade1989 · as Jay Floyd
- Guts and Glory: The Rise and Fall of Oliver North1989 · as Aaron Sykes
- Pin : A Plastic Nightmare1988 · as Dr. Frank Linden
- Young Guns1988 · as Alex McSween
- Stranger on My Land1988 · as Connie Priest
- The Jogger1988 · as Jerry
- When the Time Comes1987 · as Wes Travis
- Black Widow1987 · as Bruce
- The Stepfather1987 · as Jerry Blake
- Women of Valor1986 · as Maj. Tom Patterson
- SpaceCamp1986 · as Launch Director
- Between Two Women1986 · as Dr. Wallace
- Silver Bullet1985 · as Sheriff Joe Haller
- Right to Kill?1985 · as Jim Barrett
- An Early Frost1985 · as Dr. Redding
- Mischief1985 · as Claude Harbrough
- Mrs. Soffel1984 · as Detective Buck McGovern
- Places in the Heart1984 · as Buddy Kelsey
- All the Right Moves1983 · as Freeman Smith
- Jacobo Timerman: Prisoner Without a Name, Cell Without a Number1983 · as Colonel Thomas Rhodes
- Without a Trace1983 · as Parent
- Heaven's Gate1980 · as Captain Minardi
- F.D.R.: The Last Year1980 · as James Roosevelt
All TV Shows (54)
- The Walking Dead: The Ones Who Live2024 · as Major General Johnathan Beale
- LOST: Circle2023 · as John Locke
- PIECES OF HER2022 · as Martin Queller
- Ultra City Smiths2021 · as Captain Krieger (voice)
- Resident Alien2021 · as Peter Bach
- Resident Alien2021 · as Peter Bach (voice)
- FBI: Most Wanted2020 · as Byron LaCroix
- Emergence2019 · as Richard Kindred
- Perpetual Grace LTD2019 · as Wesley Walker
- Castle Rock2018 · as Dale Lacy
- Mysteries of the Missing2017 · as Self - Host
- The Blacklist: Redemption2017 · as Howard Hargrave
- Patriot2015 · as Tom Tavner
- Secrets and Lies2015 · as John Warner
- Gang Related2014 · as Sam Chapel
- Full Circle2013 · as Jimmy Parerra
- Ring of Fire2012 · as Oliver Booth
- 666 Park Avenue2012 · as Gavin Doran
- Hawaii Five-02010 · as Joe White
- Masters of Science Fiction2007
- Lost2004 · as John Locke
- NCIS2003 · as Will Ryan
- Jimmy Kimmel Live!2003 · as Self
- First Monday2002
- Alias2001 · as Kendall
- Law & Order: Criminal Intent2001 · as Gordon Buchanan
- Good Day Live2001 · as Self
- Harsh Realm1999
- Roswell1999 · as Carl
- The West Wing1999 · as Nicholas Alexander
- The View1997 · as Self
- Millennium1996 · as Peter Watts
- JAG1995 · as Admiral Thomas Boone
- JAG1995 · as Thomas Boone
- The Client1995 · as Bert Halliwell
- Earth 21994 · as Reilly
- Diagnosis: Murder1993 · as Ronald Trent
- The X-Files1993 · as Lt. Brian Tillman
- The X-Files1993 · as Shadow Man
- Homicide: Life on the Street1993 · as Bailey Lafeld
- Son of the Morning Star1991 · as Gen. Alfred Terry
- Tales from the Crypt1989 · as Inspector Martin Zeller
- Star Trek: The Next Generation1987 · as Admiral Eric Pressman
- Jake and the Fatman1987 · as Vincent Novak
- A Year in the Life1987 · as Keith
- At Mother's Request1987 · as Joel Campbell
- L.A. Law1986 · as Nick Moats
- Matlock1986
- The Twilight Zone1985 · as Curt Lockridge (segment "Chameleon")
- Moonlighting1985 · as Bryant Wilbourne
- Miami Vice1984 · as Richard Cain
- Remington Steele1982 · as Chuck McBride
- Tales of the Unexpected1979 · as Cop
- Hallmark Hall of Fame1951 · as Michael Keddington's Abusive Father