
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).

Yancy
Primal Fear

Michaud
The X-Files

Howard Hughes
The Rocketeer

Dennis
Christmas Sail

Captain Minardi
Heaven's Gate

Dr. Gene Clifford / Jerry Blake
Stepfather 2

Danny Leggett
MacShayne: Winner Takes All

Alex McSween
Young Guns

Colonel Pierce Grissom
Company Business

Jerry Blake
The Stepfather

Detective Clark
Amityville: A New Generation

Colonel Thomas Rhodes
Jacobo Timerman: Prisoner Without a Name, Cell Without a Number

J.R. Mitchell
Rated X

Rollin H. Parker
American Outlaws

Launch Director
SpaceCamp

Dr. Frank Linden
Pin

Frank Ridell
Shadow Conspiracy

Jack Moseley
The Cutting Edge

Grandpa James
Unsung Hero

Bruce
Black Widow

Frank Devereaux
Blind Fury

Hersch Lawyer
Breast Men

Major Beckett
Blood Oath

Richard Cory
My Stepson, My Lover

Town Diary

Dr. Wallace
Between Two Women

Bob Anderson
The Forgotten One

Sidney Lassiter
Murder in a Small Town

Dr. Connors
Shadow Warriors

Bonner
Don't Talk to Strangers

Maj. Tom Patterson
Women of Valor

Raymond Miller
Lipstick Camera

Henry
Kaleidoscope

Curt Mitchell
Perry Mason: The Case of the Desperate Deception

Jay Floyd
Roe vs. Wade

Adm. Truman Hager
Visions of Murder

Daniel
The Last to Go

Self
Getting LOST

Jim Barrett
Right to Kill?

James Roosevelt
F.D.R.: The Last Year

Wes Travis
When the Time Comes

Aaron Sykes
Guts and Glory: The Rise and Fall of Oliver North

Buddy Kelsey
Places in the Heart

Gordon Holc
Heart of a Child

Mayor Clum
Tombstone

David Walker
On the Edge of Innocence

My Samurai

Claude Harbrough
Mischief

Ed Saxe
A Friend to Die For

Cliff's Father
Semper Fi

Dr. Philip Sumrall
New Life

Connie Priest
Stranger on My Land

Cliff Ripley
Sexual Advances

Detective Buck McGovern
Mrs. Soffel

Barlow
Wild Card

Henry Cragin
The Good Fight

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

Frank Darnell
Ray Alexander: A Menu for Murder

Judge Hilburn
Ghosts of Mississippi

Dr. Redding
An Early Frost

Mark Miller
Taken from Me: The Tiffany Rubin Story

Freeman Smith
All the Right Moves

Eric Farrell
WW3

Buster Schuler
Hometown Legend

Parent
Without a Trace

Casey Keddington
The Locket

Harris Wiley
Justice in a Small Town

Phenomenon II

Sheriff Joe Haller
Silver Bullet

Bob Altschuler
Trial: The Price of Passion

Sergeant Nicholas
Shoot First: A Cop's Vengeance

Goldberg (uncredited)
Old School

Jerry
The Jogger

Dr. Friedman
Born Too Soon
Known For
Acting
Known Credits
74
Gender
Male
Birthday
1952-07-15
Place of Birth
Sault Sainte Marie, Michigan, USA
Also Known As
Terence Quinn