Terry O'Quinn

Unsung Hero

Movie · as Grandpa James

Getting LOST

Movie · as Self

The Walking Dead: The Ones Who Live

TV · as Major General Johnathan Beale · 3 eps

LOST: Circle

TV · as John Locke · 80 eps

PIECES OF HER

TV · as Martin Queller · 6 eps

Christmas Sail

Movie · as Dennis

Resident Alien

TV · as Peter Bach, Peter Bach (voice) · 12 eps

Ultra City Smiths

TV · as Captain Krieger (voice) · 6 eps

FBI: Most Wanted

TV · as Byron LaCroix · 9 eps

Perpetual Grace LTD

TV · as Wesley Walker · 10 eps

Emergence

TV · as Richard Kindred · 5 eps

Castle Rock

TV · as Dale Lacy · 10 eps

Mysteries of the Missing

TV · as Self - Host · 8 eps

The Blacklist: Redemption

TV · as Howard Hargrave · 7 eps

New Life

Movie · as Dr. Philip Sumrall

Patriot

TV · as Tom Tavner · 18 eps

Secrets and Lies

TV · as John Warner · 10 eps

Gang Related

TV · as Sam Chapel · 13 eps

Full Circle

TV · as Jimmy Parerra · 10 eps

666 Park Avenue

TV · as Gavin Doran · 13 eps

Ring of Fire

TV · as Oliver Booth · 2 eps

Taken from Me: The Tiffany Rubin Story

Movie · as Mark Miller

Hawaii Five-0

TV · as Joe White · 16 eps

Masters of Science Fiction

TV · 1 ep

Phineas and Ferb

TV · as Professor Mystery (voice) · 1 ep

Lost

TV · as John Locke · 118 eps

Phenomenon II

Movie

Old School

Movie · as Goldberg (uncredited)

Jimmy Kimmel Live!

TV · as Self · 1 ep

NCIS

TV · as Will Ryan · 1 ep

Town Diary

Movie

Hometown Legend

Movie · as Buster Schuler

The Locket

Movie · as Casey Keddington

First Monday

TV · 1 ep

American Outlaws

Movie · as Rollin H. Parker

Semper Fi

Movie · as Cliff's Father

WW3

Movie · as Eric Farrell

Alias

TV · as Kendall · 18 eps

Law & Order: Criminal Intent

TV · as Gordon Buchanan · 1 ep

Good Day Live

TV · as Self · 1 ep

Rated X

Movie · as J.R. Mitchell

Murder in a Small Town

Movie · as Sidney Lassiter

Harsh Realm

TV · 9 eps

Roswell

TV · as Carl · 1 ep

The West Wing

TV · as Nicholas Alexander · 7 eps

The X-Files

Movie · as Michaud

Shadow Conspiracy

Movie · as Frank Ridell

Breast Men

Movie · as Hersch Lawyer

My Stepson, My Lover

Movie · as Richard Cory

On the Edge of Innocence

Movie · as David Walker

The View

TV · as Self · 1 ep

Primal Fear

Movie · as Yancy

Ghosts of Mississippi

Movie · as Judge Hilburn

Millennium

TV · as Peter Watts · 40 eps

Shadow Warriors

Movie · as Dr. Connors

Ray Alexander: A Menu for Murder

Movie · as Frank Darnell

JAG

TV · as Admiral Thomas Boone · 4 eps

The Client

TV · as Bert Halliwell · 1 ep

MacShayne: Winner Takes All

Movie · as Danny Leggett

Don't Talk to Strangers

Movie · as Bonner

Lipstick Camera

Movie · as Raymond Miller

Heart of a Child

Movie · as Gordon Holc

A Friend to Die For

Movie · as Ed Saxe

Justice in a Small Town

Movie · as Harris Wiley

Earth 2

TV · as Reilly · 6 eps

Amityville: A New Generation

Movie · as Detective Clark

Visions of Murder

Movie · as Adm. Truman Hager

Tombstone

Movie · as Mayor Clum

Born Too Soon

Movie · as Dr. Friedman

The X-Files

TV · as Lt. Brian Tillman, Shadow Man · 1 ep

Homicide: Life on the Street

TV · as Bailey Lafeld · 1 ep

Diagnosis: Murder

TV · as Ronald Trent · 1 ep

The Cutting Edge

Movie · as Jack Moseley

My Samurai

Movie

Sexual Advances

Movie · as Cliff Ripley

Wild Card

Movie · as Barlow

The Good Fight

Movie · as Henry Cragin

Deliver Them from Evil: The Taking of Alta View

Movie · as Sergeant Don Bell

Trial: The Price of Passion

Movie · as Bob Altschuler

The Rocketeer

Movie · as Howard Hughes

Company Business

Movie · as Colonel Pierce Grissom

The Last to Go

Movie · as Daniel

Shoot First: A Cop's Vengeance

Movie · as Sergeant Nicholas

Son of the Morning Star

TV · as Gen. Alfred Terry · 2 eps

Blood Oath

Movie · as Major Beckett

Kaleidoscope

Movie · as Henry

Perry Mason: The Case of the Desperate Deception

Movie · as Curt Mitchell

Stepfather 2

Movie · as Dr. Gene Clifford / Jerry Blake

Blind Fury

Movie · as Frank Devereaux

The Forgotten One

Movie · as Bob Anderson

Roe vs. Wade

Movie · as Jay Floyd

Guts and Glory: The Rise and Fall of Oliver North

Movie · as Aaron Sykes

Tales from the Crypt

TV · as Inspector Martin Zeller · 1 ep

Young Guns

Movie · as Alex McSween

Pin

Movie · as Dr. Frank Linden

Stranger on My Land

Movie · as Connie Priest

The Jogger

Movie · as Jerry

The Stepfather

Movie · as Jerry Blake

Black Widow

Movie · as Bruce

When the Time Comes

Movie · as Wes Travis

Star Trek: The Next Generation

TV · as Admiral Eric Pressman · 1 ep

At Mother's Request

TV · as Joel Campbell · 2 eps

A Year in the Life

TV · as Keith · 1 ep

Jake and the Fatman

TV · as Vincent Novak · 1 ep

SpaceCamp

Movie · as Launch Director

Between Two Women

Movie · as Dr. Wallace

Women of Valor

Movie · as Maj. Tom Patterson

L.A. Law

TV · as Nick Moats · 1 ep

Matlock

TV · 1 ep

Right to Kill?

Movie · as Jim Barrett

Mischief

Movie · as Claude Harbrough

An Early Frost

Movie · as Dr. Redding

Silver Bullet

Movie · as Sheriff Joe Haller

Moonlighting

TV · as Bryant Wilbourne · 1 ep

The Twilight Zone

TV · as Curt Lockridge (segment "Chameleon") · 1 ep

Places in the Heart

Movie · as Buddy Kelsey

Mrs. Soffel

Movie · as Detective Buck McGovern

Miami Vice

TV · as Richard Cain · 1 ep

Jacobo Timerman: Prisoner Without a Name, Cell Without a Number

Movie · as Colonel Thomas Rhodes

All the Right Moves

Movie · as Freeman Smith

Without a Trace

Movie · as Parent

Remington Steele

TV · as Chuck McBride · 1 ep

Heaven's Gate

Movie · as Captain Minardi

F.D.R.: The Last Year

Movie · as James Roosevelt

Tales of the Unexpected

TV · as Cop · 1 ep

Hallmark Hall of Fame

TV · as Michael Keddington's Abusive Father · 1 ep