Mark Rolston

Young Justice

as Lex Luthor (voice)

Episodes: 12

First Aired: Nov 26, 2010

Bosch

as Lt. Donald 'Don' Thorne

Episodes: 9

First Aired: Jan 14, 2015

Bosch: Legacy

as Lt. Don Thorne

Episodes: 5

First Aired: May 05, 2022

The Shield

as Gordie Liman

Episodes: 5

First Aired: Mar 12, 2002

CSI: Miami

as Glen Cole

Episodes: 3

First Aired: Sep 23, 2002

Brooklyn South

as Detective Lou Conroy

Episodes: 3

First Aired: Sep 22, 1997

Murder, She Wrote

as Sgt. Terence Boyle

Episodes: 2

First Aired: Sep 30, 1984

The Closer

as Father Jack

Episodes: 2

First Aired: Jun 13, 2005

Cold Case

as Ari Gordon

Episodes: 2

First Aired: Sep 28, 2003

24

as Bruce Foxton

Episodes: 2

First Aired: Nov 06, 2001

From the Earth to the Moon

as Gus Grissom

Episodes: 2

First Aired: Apr 05, 1998

Supernatural

as Alastair

Episodes: 2

First Aired: Sep 13, 2005

The Legend of Calamity Jane

as Bill Doolin (voice)

Episodes: 2

First Aired: Sep 14, 1997

Aftershock: Earthquake in New York

as Bruce Summerlin

Episodes: 2

First Aired: Nov 14, 1999

The Defenders

as Johnny Greene

Episodes: 2

First Aired: Sep 22, 2010

Batman Beyond

as Carl (voice)

Episodes: 1

First Aired: Jan 10, 1999

Star Trek: Enterprise

as Kuroda Lor-ehn

Episodes: 1

First Aired: Sep 26, 2001

Star Trek: The Next Generation

as Lt. Walter Pierce

Episodes: 1

First Aired: Sep 28, 1987

Alias

as Seth Lambert

Episodes: 1

First Aired: Sep 30, 2001

Tales from the Crypt

as Dr. Zachary Cling

Episodes: 1

First Aired: Jun 10, 1989

Angel

as Boone

Episodes: 1

First Aired: Oct 05, 1999

CSI: NY

as Bill Markoni

Episodes: 1

First Aired: Sep 22, 2004

Walker, Texas Ranger

as Jake Prentice

Episodes: 1

First Aired: Apr 21, 1993

CSI: Crime Scene Investigation

as Sheriff

Episodes: 1

First Aired: Oct 06, 2000

Criminal Minds

as Sheriff Hall

Episodes: 1

First Aired: Sep 22, 2005

Babylon 5

as Karl Mueller

Episodes: 1

First Aired: Jan 26, 1994

The X-Files

as Richard Odin

Episodes: 1

First Aired: Sep 10, 1993

The New Batman Adventures

as Firefly / Don (voice)

Episodes: 1

First Aired: Sep 13, 1997

Diagnosis: Murder

as Vinnie Bartell

Episodes: 1

First Aired: Oct 29, 1993

The Mentalist

as Dale Blakely

Episodes: 1

First Aired: Sep 23, 2008

ER

as Officer Thomas

Episodes: 1

First Aired: Sep 19, 1994

Tour of Duty

as Innes

Episodes: 1

First Aired: Sep 24, 1987

NCIS: Los Angeles

as Marine Sergeant Jerrold 'Pallet' Mulhearn

Episodes: 1

First Aired: Sep 22, 2009

The New Batman Adventures

as Firefly / Garfield Lynns (voice)

Episodes: 1

First Aired: Sep 13, 1997

Justice League

as Firefly (voice)

Episodes: 1

First Aired: Nov 17, 2001

Castle

as Kurt Van Zant

Episodes: 1

First Aired: Mar 09, 2009

Upload

as Finder

Episodes: 1

First Aired: Apr 30, 2020

The Rookie: Feds

as Foster Mills

Episodes: 1

First Aired: Sep 27, 2022

Dark Angel

as Herman Colberg

Episodes: 1

First Aired: Oct 03, 2000

Sledge Hammer!

as Officer Braddock (as Mark Ralston)

Episodes: 1

First Aired: Sep 23, 1986

The X-Files

as Bud LaPierre

Episodes: 1

First Aired: Sep 10, 1993

Body of Proof

as Detective Charlie Meeks

Episodes: 1

First Aired: Mar 29, 2011

Curb Your Enthusiasm

as Contractor

Episodes: 1

First Aired: Oct 15, 2000

Young Justice

as L-3 (voice)

Episodes: 1

First Aired: Nov 26, 2010

Young Justice

as Lex Luthor / Jonathan Kent (voice)

Episodes: 1

First Aired: Nov 26, 2010

Young Justice

as Lex Luthor / Sumaan Harjavti (voice)

Episodes: 1

First Aired: Nov 26, 2010

Ahsoka

as Captain Hayle

Episodes: 1

First Aired: Aug 22, 2023

Scorpion

as Agent Cooke

Episodes: 1

First Aired: Sep 22, 2014

Rosewood

as Harvey

Episodes: 1

First Aired: Sep 23, 2015

Young Justice

as Lex Luthor / Hro Talak (voice)

Episodes: 1

First Aired: Nov 26, 2010

Young Justice

as Lex Luthor / Highfather / Antinoös (voice)

Episodes: 1

First Aired: Nov 26, 2010

Star Trek: Enterprise

as Captain Magh

Episodes: 1

First Aired: Sep 26, 2001

Star Wars: Tales of the Jedi

as Senator Dagonet (voice)

Episodes: 1

First Aired: Oct 26, 2022

JAG

as Mark Lowrey

Episodes: 1

First Aired: Sep 23, 1995

Father Dowling Mysteries

as Mark

Episodes: 1

First Aired: Jan 20, 1989

Touch

as Ed

Episodes: 1

First Aired: Jan 25, 2012

Murder, She Wrote

as Finn Dawley

Episodes: 1

First Aired: Sep 30, 1984

Murder, She Wrote

as Liam Gillen

Episodes: 1

First Aired: Sep 30, 1984

Touched by an Angel

as Delroy Gibbons

Episodes: 1

First Aired: Sep 21, 1994

Hawaii Five-0

as Colonel O'Donnell

Episodes: 1

First Aired: Sep 20, 2010

The Dead Zone

as Hysterical Parishioner #3

Episodes: 1

First Aired: Jun 16, 2002