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Terry O'Quinn

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Terry O'Quinn
Terry O'Quinn.jpg
Birth name Terrance Quinn
Born July 15, 1952 in Newberry, Michigan, USA
Sometimes credited as Terrance O'Quinn,
Terrance Quinn,
Terence Quinn
Notable Roles John Locke in Lost
Peter Watts in Millennium
Notable Episodes
Awards 1 SAG TV Award
1 Academy of Science Fiction, Fantasy & Horror Films TV Saturn Award

Terry O'Quinn is an American actor. He played the role of John Locke on ABC's Lost.



Terry O'Quinn was born on July 15, 1952 in Newberry, Michigan. He attended Central Michigan University and the University of Iowa. He married his wife, Lori, in 1979. They lived for most of their marriage in Finksburg, Maryland, but after Lost began airing the couple decided to follow suit with O'Quinn's co-stars and move to Hawaii. O'Quinn and his wife have two grown sons, Hunter and Oliver.

O'Quinn began acting in the 1970s. He has appeared in such films as Young Guns, The Rocketeer, and Tombstone. His television roles include guest appearances on Earth 2, Star Trek: The Next Generation, and JAG. Befriending Chris Carter, producer of The X-Files, O'Quinn was a guest star in two episodes and had a supporting role in The X-Files feature film. Carter later cast O'Quinn in the TV series Millennium and Harsh Realm. After appearing on Alias, J.J. Abrams wanted to cast him for his new series Lost without any audition.


Starring Roles

Series Role Year(s) Season(s)
The Doctors Jerry Dancy 1981
Harsh Realm Omar Santiago 1999 1
Lost John Locke 2004–2010 1 2 3 4 5 6
666 Park Avenue Gavin Doran 2012–2013 1
Gang Related Sam Chapel 2014 1

Recurring Roles

Series Role Year(s) Season(s)
JAG Thomas Boone 1995–2002 1 2 6 7 8
Millennium Peter Watts 1996–1999 1 2 3
Alias Assistant Director Kendall 2002–2004 1 2 3
Hawaii Five-0 Joe White 2011–2018

Guest Starring Roles

Series Role Episode Airdate
Tales of the Unexpected Cop 5x15 - In the Bag August 1, 1982
ABC Afterschool Specials Mr. Jacobs 12x02 - The Hand Me Down Kid October 19, 1983
Miami Vice Richard Cain 1x10 - Give a Little, Take a Little December 7, 1984
The Twilight Zone
(credited as Terrance O'Quinn)
Dr. Curt Lockridge 1x2C - Chameleon October 4, 1985
Remington Steele Chuck McBride 4x08 - Coffee, Tea, or Steele December 10, 1985
Moonlighting Bryant Wilbourne 4x03 - Take a Left at the Altar October 13, 1987
A Year in the Life Keith 1x17 - Fathers and Other Strangers February 17, 1988
Jake and the Fatman Vincent Novak 3x22 - You're Driving Me Crazy April 4, 1990
L.A. Law Nick Moats 6x20 - Beauty and the Breast May 7, 1992
Star Trek: The Next Generation Admiral Eric Pressman 7x12 - The Pegasus January 8, 1994
Malcolm Engle 9x03 - The Dare October 27, 1994
Tales from the Crypt Inspector Zeller 6x06 - The Bribe November 23, 1994
Earth 2 Reilly 1x06 - Water December 11, 1994
Earth 2 Reilly 1x07 - The Church of Morgan December 18, 1994
The X-Files Lt. Brian Tillman 2x12 - Aubrey January 6, 1995
Earth 2 Reilly 1x08 - The Enemy Within January 8, 1995
Earth 2 Reilly 1x09 - Redemption January 22, 1995
Earth 2 Reilly 1x18 - Survival of the Fittest April 23, 1995
Earth 2 Reilly 1x19 - All About Eve May 21, 1995
The Client Bert Halliwell 1x01 - Pilot September 17, 1995
Homicide: Life on the Street Bailey Lafeld 4x05 - Hate Crimes November 17, 1995
Diagnosis Murder Dr. Ronald Trent 3x14 - The Murder Trade April 5, 1996
(credited as Terence Quinn)
Carl 3x02 - Michael, The Guys and The Great Snapple Caper October 16, 2001
The X-Files
(credited as Terrance Quinn)
Shadow Man 9x06 - Trust No 1 January 6, 2002
The West Wing General Nicholas Alexander 5x06 - Disaster Relief November 5, 2003
The West Wing General Nicholas Alexander 5x10 - The Stormy Present January 7, 2004
The West Wing General Nicholas Alexander 5x13 - The Warfare of Genghis Khan February 11, 2004
The West Wing General Nicholas Alexander 5x14 - An Khe February 18, 2004
Law & Order: Criminal Intent Gordon Buchanan 3x14 - Mis-Labeled February 22, 2004
NCIS Col. Will Ryan 1x15 - Enigma February 24, 2004
The West Wing General Nicholas Alexander 5x21 - Gaza May 12, 2004
The West Wing General Nicholas Alexander 6x01 - NSF Thurmont October 20, 2004
The West Wing General Nicholas Alexander 6x02 - The Birnam Wood October 27, 2004
Masters of Science Fiction Major Skynner 1x02 - The Awakening August 11, 2007

Specials and Made-for-TV Movies

Title Role Airdate Series/Banner
F.D.R.: The Last Year James Roosevelt April 15, 1980
Right to Kill? Jim Barrett 1985
An Early Frost Dr. Redding November 11, 1985
Women of Valor Maj. Tom Patterson 1986
Between Two Women Dr. Wallace March 10, 1986
At Mother's Request Joel Campbell January 4, 1987
When the Time Comes Wes Travis May 25, 1987
Stranger on My Land Connie Priest January 17, 1988
Guts and Glory: The Rise and Fall of Oliver North Aaron Sykes April 30, 1989
Roe vs. Wade Jay Floyd May 15, 1989
The Case of the Desperate Deception Curt Mitchell March 11, 1990 Perry Mason
Kaleidoscope Henry October 15, 1990
The Last to Go Daniel January 21, 1991
Son of the Morning Star Gen. Alfred Terry February 3, 1991
Shoot First: A Cop's Vengeance Sergeant Nicholas March 24, 1991
Deliver Them from Evil: The Taking of Alta View Sergeant Don Bell April 28, 1992
Trial: The Price of Passion Bob Altschuler May 3, 1992
Sexual Advances Cliff Ripley May 10, 1992
Wild Card Barlow October 28, 1992
The Good Fight Henry Cragin December 15, 1992
Born Too Soon Dr. Friedman April 25, 1993
Visions of Murder Admiral Truman Hager May 7, 1993
MacShayne: Winner Takes All Danny Leggett February 11, 1994
Heart of a Child Gordon Holc May 9, 1994
Don't Talk to Strangers Bonner August 11, 1994
Justice in a Small Town Harris Wiley September 23, 1994
A Friend to Die For Ed Saxe September 26, 1994
Ray Alexander: A Menu for Murder Frank Darnell March 20, 1995
On the Edge of Innocence Mr. David Walker April 20, 1997
My Stepson, My Lover Richard Cory June 25, 1997
Murder in a Small Town Sidney Lassiter January 10, 1999
Rated X J.R. Mitchell May 13, 2000
Semper Fi Cliff's father April 1, 2001
WW3 Eric Farrell July 13, 2001
The Locket Casey Keddington December 8, 2002
Phenomenon II November 1, 2003

Talk, News and Game Show Appearances

Series Episode Airdate
The View February 16, 2005
Jimmy Kimmel Live May 24, 2005
Entertainment Tonight August 17, 2005
Entertainment Tonight October 4, 2006

Memorable Moments

Awards and Accolades

IVy Awards

(1 Nomination)

  • Nominated: Best Supporting Actor in a Drama Series (2005-06)

Primetime Emmy Awards

(1 Nomination)

  • Nominated: Outstanding Supporting Actor in a Drama Series (2004-05)

Screen Actors Guild Awards

(1 Nomination/1 Win)

  • Won: Outstanding Performance by an Ensemble in a Drama Series (2005)

Academy of Science Fiction, Fantasy & Horror Films TV Saturn Awards, USA

(2 Nominations/1 Win)

  • Won: Best Supporting Actor on Television (2004)
  • Nominated: Best Supporting Actor on Television (2005)

Other Awards

  • Academy of Science Fiction, Fantasy & Horror Films Saturn Awards, USA
    • Nominated: Best Actor (1987) - The Stepfather
  • Independent Spirit Awards, USA
    • Nominated: Best Male Lead (1987) - The Stepfather


  • O'Who?: Terry O'Quinn's real name is Terry Quinn. He changed his last name to "O'Quinn" in order to distinguish himself from another actor named Terry Quinn.