Dwight Schultz

Family Guy

as Clerk (voice), as Randall Fargus (voice)

1999

Stargate SG-1

as The Keeper

1997

Star Trek: Voyager

as Reginald Barclay

1995

Star Trek: The Next Generation

as Lt. Barclay

1987

Diagnosis: Murder

as Dr. Gavin Reed, as Dr. Henry Wexler

1993

Rugrats

as Gracko (voice)

1991

Young Justice

as Mad Hatter (voice)

2010

Babylon 5

as Amis

1994

Touched by an Angel

as Dr. Adam Litowski

1994

The Outer Limits

as Leviticus Mitchell

1995

Teenage Mutant Ninja Turtles

as Wyrm (voice)

2012

Hill Street Blues

1981

The A-Team

as 'Howling Mad' Murdock

1983

Lois & Clark: The New Adventures of Superman

as Garret Grady

1993

Jellystone!

as Dick Dastardly / Dinky Dalton (voice)

2021

Jake and the Fatman

1987

Scooby-Doo! Mystery Incorporated

as Older Danny Darrow (voice)

2010

The Wild Thornberrys

as Dr. Freed / Customer (voice), as Baduk (voice), as Inspector Tabu (voice), as Baduk / Monkey (voice), as Baduk / Poacher (voice)

1998

Walker, Texas Ranger

as Lloyd Allen

1993

Marvel's Avengers

as Attuma (voice)

2013

Avatar: The Last Airbender

as Trainer / Additional Voices (voice)

2005

Ben 10

as Earl (voice), as Dr. Animo (voice)

2005

The New Alfred Hitchcock Presents

as David Powell

1985

Ben 10: Ultimate Alien

as Dr. Animo / Teacher #2 (voice), as Sheriff / Dr. Animo (voice)

2010

CatDog

as Eddie the Squirrel (voice)

1998

All Hail King Julien

as Karl (voice), as Karl / Patrick (voice), as Karl / Karl-Gram (voice)

2014

Wander Over Yonder

as Wild Card (voice)

2013

Ben 10: Omniverse

as Dr. Animo (voice)

2012

Chowder

as Ninja / Pirate Ninja (voice), as Man / Sun Tang Gai (voice), as Mung Daal (voice)

2007

Ben 10: Alien Force

as Null Guardian / D'Void (Dr. Animo) (voice)

2008

Weird Science

1994

Harvey Beaks

as Lake Spirit (voice)

2015

DOTA: Dragon's Blood

as Emperor Zal (voice)

2021

CHiPs

1977

Nowhere Man

as Harrison Barton

1995

Invader ZIM

2001

All Hail King Julien: Exiled

as Karl (voice), as Father Tentacle (voice)

2017