Terry O'Quinn

Unsung Hero

2024 · Grandpa James

LOST: Circle

2023 · John Locke

PIECES OF HER

2022 · Martin Queller

Christmas Sail

2021 · Dennis

Resident Alien

2021 · Peter Bach

Emergence

2019 · Richard Kindred

Perpetual Grace LTD

2019 · Wesley Walker

Castle Rock

2018 · Dale Lacy

The Blacklist: Redemption

2017 · Howard Hargrave

New Life

2016 · Dr. Philip Sumrall

Patriot

2015 · Tom Tavner

Secrets and Lies

2015 · John Warner

Gang Related

2014 · Sam Chapel

Full Circle

2013 · Jimmy Parerra

Ring of Fire

2012 · Oliver Booth

666 Park Avenue

2012 · Gavin Doran

Taken from Me: The Tiffany Rubin Story

2011 · Mark Miller

Hawaii Five-0

2010 · Joe White

Masters of Science Fiction

2007

Lost

2004 · John Locke

Phenomenon II

2003

NCIS

2003 · Will Ryan

Old School

2003 · Goldberg (uncredited)

The Locket

2002 · Casey Keddington

Town Diary

2002

Hometown Legend

2002 · Buster Schuler

First Monday

2002

Alias

2001 · Kendall

Law & Order: Criminal Intent

2001 · Gordon Buchanan

American Outlaws

2001 · Rollin H. Parker

WW3

2001 · Eric Farrell

Semper Fi

2001 · Cliff's Father

Rated X

2000 · J.R. Mitchell

Harsh Realm

1999

Roswell

1999 · Carl

The West Wing

1999 · Nicholas Alexander

Murder in a Small Town

1999 · Sidney Lassiter

The X-Files

1998 · Michaud

Breast Men

1997 · Hersch Lawyer

My Stepson, My Lover

1997 · Richard Cory

On the Edge of Innocence

1997 · David Walker

Shadow Conspiracy

1997 · Frank Ridell

Ghosts of Mississippi

1996 · Judge Hilburn

Millennium

1996 · Peter Watts

Primal Fear

1996 · Yancy

JAG

1995 · Admiral Thomas Boone

The Client

1995 · Bert Halliwell

Ray Alexander: A Menu for Murder

1995 · Frank Darnell

Shadow Warriors

1995 · Dr. Connors

Earth 2

1994 · Reilly

Lipstick Camera

1994 · Raymond Miller

A Friend to Die For

1994 · Ed Saxe

Justice in a Small Town

1994 · Harris Wiley

Don't Talk to Strangers

1994 · Bonner

Heart of a Child

1994 · Gordon Holc

MacShayne: Winner Takes All

1994 · Danny Leggett

Tombstone

1993 · Mayor Clum

Diagnosis: Murder

1993 · Ronald Trent

The X-Files

1993 · Lt. Brian Tillman

Amityville: A New Generation

1993 · Detective Clark

Visions of Murder

1993 · Adm. Truman Hager

Born Too Soon

1993 · Dr. Friedman

Homicide: Life on the Street

1993 · Bailey Lafeld

The Good Fight

1992 · Henry Cragin

Wild Card

1992 · Barlow

My Samurai

1992

Sexual Advances

1992 · Cliff Ripley

Trial: The Price of Passion

1992 · Bob Altschuler

Deliver Them from Evil: The Taking of Alta View

1992 · Sergeant Don Bell

The Cutting Edge

1992 · Jack Moseley

Company Business

1991 · Colonel Pierce Grissom

The Rocketeer

1991 · Howard Hughes

Shoot First: A Cop's Vengeance

1991 · Sergeant Nicholas

Son of the Morning Star

1991 · Gen. Alfred Terry

The Last to Go

1991 · Daniel

Kaleidoscope

1990 · Henry

Blood Oath

1990 · Major Beckett

Perry Mason: The Case of the Desperate Deception

1990 · Curt Mitchell

Stepfather 2

1989 · Dr. Gene Clifford / Jerry Blake

The Forgotten One

1989 · Bob Anderson

Blind Fury

1989 · Frank Devereaux

Tales from the Crypt

1989 · Inspector Martin Zeller

Roe vs. Wade

1989 · Jay Floyd

Guts and Glory: The Rise and Fall of Oliver North

1989 · Aaron Sykes

Pin : A Plastic Nightmare

1988 · Dr. Frank Linden

Young Guns

1988 · Alex McSween

Stranger on My Land

1988 · Connie Priest

The Jogger

1988 · Jerry

Star Trek: The Next Generation

1987 · Admiral Eric Pressman

Jake and the Fatman

1987 · Vincent Novak

A Year in the Life

1987 · Keith

When the Time Comes

1987 · Wes Travis

Black Widow

1987 · Bruce

The Stepfather

1987 · Jerry Blake

At Mother's Request

1987 · Joel Campbell

Women of Valor

1986 · Maj. Tom Patterson

L.A. Law

1986 · Nick Moats

SpaceCamp

1986 · Launch Director

Between Two Women

1986 · Dr. Wallace

Matlock

1986

Silver Bullet

1985 · Sheriff Joe Haller

The Twilight Zone

1985 · Curt Lockridge (segment "Chameleon")

Right to Kill?

1985 · Jim Barrett

An Early Frost

1985 · Dr. Redding

Moonlighting

1985 · Bryant Wilbourne

Mischief

1985 · Claude Harbrough

Mrs. Soffel

1984 · Detective Buck McGovern

Miami Vice

1984 · Richard Cain

Places in the Heart

1984 · Buddy Kelsey

All the Right Moves

1983 · Freeman Smith

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

1983 · Colonel Thomas Rhodes

Without a Trace

1983 · Parent

Remington Steele

1982 · Chuck McBride

Heaven's Gate

1980 · Captain Minardi

F.D.R.: The Last Year

1980 · James Roosevelt

Tales of the Unexpected

1979 · Cop

Hallmark Hall of Fame

1951 · Michael Keddington's Abusive Father