Terry O'Quinn
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
Will Ryan
Lost
John Locke
The X-Files
Lt. Brian Tillman
The X-Files
Shadow Man
Hawaii Five-0
Joe White
Star Trek: The Next Generation
Admiral Eric Pressman
Law & Order: Criminal Intent
Gordon Buchanan
JAG
Admiral Thomas Boone
JAG
Thomas Boone
Diagnosis: Murder
Ronald Trent
The West Wing
Nicholas Alexander
Miami Vice
Richard Cain
L.A. Law
Nick Moats
FBI: Most Wanted
Byron LaCroix
Matlock
Castle Rock
Dale Lacy
The Twilight Zone
Curt Lockridge (segment "Chameleon")
Moonlighting
Bryant Wilbourne
Millennium
Peter Watts
Resident Alien
Peter Bach
Resident Alien
Peter Bach (voice)
Old School
Goldberg (uncredited)
Homicide: Life on the Street
Bailey Lafeld
Shadow Conspiracy
Frank Ridell
Tales from the Crypt
Inspector Martin Zeller
Roswell
Carl
Tales of the Unexpected
Cop
Remington Steele
Chuck McBride
Jake and the Fatman
Vincent Novak
The Walking Dead: The Ones Who Live
Major General Johnathan Beale
Tombstone
Mayor Clum
Primal Fear
Yancy
Masters of Science Fiction
Emergence
Richard Kindred
The Blacklist: Redemption
Howard Hargrave
Stepfather 2
Dr. Gene Clifford / Jerry Blake
Ultra City Smiths
Captain Krieger (voice)
Kaleidoscope
Henry
Lipstick Camera
Raymond Miller
Pin
Dr. Frank Linden
Mrs. Soffel
Detective Buck McGovern
Alias
Kendall
Semper Fi
Cliff's Father
Secrets and Lies
John Warner
Earth 2
Reilly
Patriot
Tom Tavner
Town Diary
Places in the Heart
Buddy Kelsey
PIECES OF HER
Martin Queller
The X-Files
Michaud
Heaven's Gate
Captain Minardi
Roe vs. Wade
Jay Floyd
Blind Fury
Frank Devereaux
First Monday
My Stepson, My Lover
Richard Cory
The Client
Bert Halliwell
Perpetual Grace LTD
Wesley Walker
The Cutting Edge
Jack Moseley
A Year in the Life
Keith
Ring of Fire
Oliver Booth
The Rocketeer
Howard Hughes
Unsung Hero
Grandpa James
Ghosts of Mississippi
Judge Hilburn
666 Park Avenue
Gavin Doran
Young Guns
Alex McSween
Silver Bullet
Sheriff Joe Haller
Hallmark Hall of Fame
Michael Keddington's Abusive Father
Wild Card
Barlow
My Samurai
The Forgotten One
Bob Anderson
The Stepfather
Jerry Blake
Full Circle
Jimmy Parerra
Harsh Realm
All the Right Moves
Freeman Smith
Mischief
Claude Harbrough
Son of the Morning Star
Gen. Alfred Terry
American Outlaws
Rollin H. Parker
Gang Related
Sam Chapel
Black Widow
Bruce
The Locket
Casey Keddington
Mysteries of the Missing
Self - Host
SpaceCamp
Launch Director
Breast Men
Hersch Lawyer
Visions of Murder
Adm. Truman Hager
Blood Oath
Major Beckett
Shadow Warriors
Dr. Connors
Without a Trace
Parent
Company Business
Colonel Pierce Grissom
Getting LOST
Self
Shoot First: A Cop's Vengeance
Sergeant Nicholas
WW3
Eric Farrell
A Friend to Die For
Ed Saxe
Amityville: A New Generation
Detective Clark
Murder in a Small Town
Sidney Lassiter
Don't Talk to Strangers
Bonner
At Mother's Request
Joel Campbell
Stranger on My Land
Connie Priest
Heart of a Child
Gordon Holc
Jacobo Timerman: Prisoner Without a Name, Cell Without a Number
Colonel Thomas Rhodes
Women of Valor
Maj. Tom Patterson
Rated X
J.R. Mitchell
Taken from Me: The Tiffany Rubin Story
Mark Miller
New Life
Dr. Philip Sumrall
On the Edge of Innocence
David Walker
Trial: The Price of Passion
Bob Altschuler
F.D.R.: The Last Year
James Roosevelt
Perry Mason: The Case of the Desperate Deception
Curt Mitchell
Guts and Glory: The Rise and Fall of Oliver North
Aaron Sykes
The Good Fight
Henry Cragin
The Last to Go
Daniel
MacShayne: Winner Takes All
Danny Leggett
An Early Frost
Dr. Redding
Phenomenon II
Ray Alexander: A Menu for Murder
Frank Darnell
Christmas Sail
Dennis
Justice in a Small Town
Harris Wiley
Born Too Soon
Dr. Friedman
Hometown Legend
Buster Schuler
Right to Kill?
Jim Barrett
Sexual Advances
Cliff Ripley
Deliver Them from Evil: The Taking of Alta View
Sergeant Don Bell
Between Two Women
Dr. Wallace
When the Time Comes
Wes Travis
The Jogger
Jerry
The View
Self
Jimmy Kimmel Live!
Self
Good Day Live
Self