Terry O'Quinn

Getting LOST

Self

Unsung Hero

Grandpa James

The Walking Dead: The Ones Who Live

Major General Johnathan Beale · (3 episodes)

PIECES OF HER

Martin Queller · (6 episodes)

Christmas Sail

Dennis

Ultra City Smiths

Captain Krieger (voice) · (6 episodes)

Resident Alien

Peter Bach · (8 episodes)

Resident Alien

Peter Bach (voice) · (1 episode)

FBI: Most Wanted

Byron LaCroix · (9 episodes)

Emergence

Richard Kindred · (5 episodes)

Perpetual Grace LTD

Wesley Walker · (10 episodes)

Castle Rock

Dale Lacy · (10 episodes)

Mysteries of the Missing

Self - Host · (8 episodes)

The Blacklist: Redemption

Howard Hargrave · (7 episodes)

New Life

Dr. Philip Sumrall

Patriot

Tom Tavner · (18 episodes)

Secrets and Lies

John Warner · (10 episodes)

Gang Related

Sam Chapel · (13 episodes)

Full Circle

Jimmy Parerra · (10 episodes)

Ring of Fire

Oliver Booth

Ring of Fire

Oliver Booth · (2 episodes)

666 Park Avenue

Gavin Doran · (13 episodes)

Taken from Me: The Tiffany Rubin Story

Mark Miller

Hawaii Five-0

Joe White · (16 episodes)

Masters of Science Fiction

(1 episode)

Lost

John Locke · (118 episodes)

Phenomenon II

NCIS

Will Ryan · (1 episode)

Old School

Goldberg (uncredited)

Jimmy Kimmel Live!

Self · (1 episode)

The Locket

Casey Keddington

Town Diary

Hometown Legend

Buster Schuler

First Monday

(1 episode)

Alias

Kendall · (18 episodes)

Law & Order: Criminal Intent

Gordon Buchanan · (1 episode)

Good Day Live

Self · (1 episode)

American Outlaws

Rollin H. Parker

WW3

Eric Farrell

Semper Fi

Cliff's Father

Rated X

J.R. Mitchell

Harsh Realm

(9 episodes)

Roswell

Carl · (1 episode)

The West Wing

Nicholas Alexander · (7 episodes)

Murder in a Small Town

Sidney Lassiter

The X-Files

Michaud

Breast Men

Hersch Lawyer

The View

Self · (1 episode)

My Stepson, My Lover

Richard Cory

On the Edge of Innocence

David Walker

Shadow Conspiracy

Frank Ridell

Ghosts of Mississippi

Judge Hilburn

Millennium

Peter Watts · (36 episodes)

Primal Fear

Yancy

JAG

Admiral Thomas Boone · (6 episodes)

JAG

Thomas Boone · (4 episodes)

The Client

Bert Halliwell · (1 episode)

Ray Alexander: A Menu for Murder

Frank Darnell

Shadow Warriors

Dr. Connors

Earth 2

Reilly · (6 episodes)

Lipstick Camera

Raymond Miller

A Friend to Die For

Ed Saxe

Justice in a Small Town

Harris Wiley

Don't Talk to Strangers

Bonner

Heart of a Child

Gordon Holc

MacShayne: Winner Takes All

Danny Leggett

Tombstone

Mayor John Clum

Diagnosis: Murder

Ronald Trent · (1 episode)

Amityville: A New Generation

Detective Clark

The X-Files

Lt. Brian Tillman · (1 episode)

The X-Files

Shadow Man · (1 episode)

Visions of Murder

Adm. Truman Hager

Born Too Soon

Dr. Friedman

Homicide: Life on the Street

(1 episode)

The Good Fight

Henry Cragin

Wild Card

Barlow

Sexual Advances

Cliff Ripley

Trial: The Price of Passion

Bob Altschuler

Deliver Them from Evil: The Taking of Alta View

Sergeant Don Bell

The Cutting Edge

Jack Moseley

My Samurai

Company Business

Colonel Pierce Grissom

The Rocketeer

Howard Hughes

Shoot First: A Cop's Vengeance

Sergeant Nicholas

Son of the Morning Star

Gen. Alfred Terry · (2 episodes)

The Last to Go

Daniel

Kaleidoscope

Henry

Blood Oath

Major Beckett

Perry Mason: The Case of the Desperate Deception

Curt Mitchell

Stepfather 2

Dr. Gene Clifford / Jerry Blake

The Forgotten One

Bob Anderson

Blind Fury

Frank Devereaux

Tales from the Crypt

Inspector Martin Zeller · (1 episode)

Roe vs. Wade

Jay Floyd

Guts and Glory: The Rise and Fall of Oliver North

Aaron Sykes

Pin

Dr. Frank Linden

Young Guns

Alex McSween

Stranger on My Land

Connie Priest

The Jogger

Jerry

Star Trek: The Next Generation

Admiral Eric Pressman · (1 episode)

Jake and the Fatman

Vincent Novak · (1 episode)

A Year in the Life

Keith · (1 episode)

When the Time Comes

Wes Travis

Black Widow

Bruce

The Stepfather

Jerry Blake

At Mother's Request

Joel Campbell · (1 episode)

Women of Valor

Maj. Tom Patterson

L.A. Law

Nick Moats · (1 episode)

SpaceCamp

Launch Director

Between Two Women

Dr. Wallace

Matlock

(1 episode)

Silver Bullet

Sheriff Joe Haller

The Twilight Zone

Curt Lockridge (segment "Chameleon") · (1 episode)

Right to Kill?

Jim Barrett

An Early Frost

Dr. Redding

Moonlighting

Bryant Wilbourne · (1 episode)

Mischief

Claude Harbrough

Mrs. Soffel

Detective Buck McGovern

Miami Vice

Richard Cain · (1 episode)

Places in the Heart

Buddy Kelsey

All the Right Moves

Freeman Smith

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

Colonel Thomas Rhodes

Without a Trace

Parent

Remington Steele

Chuck McBride · (1 episode)

Heaven's Gate

Captain Minardi

F.D.R.: The Last Year

James Roosevelt

Tales of the Unexpected

Cop · (1 episode)

Hallmark Hall of Fame

Michael Keddington's Abusive Father · (1 episode)