John Kassir

Bugs Bunny Builders 25th July 2022 as Pete Puma (voice)

DOTA: Dragon's Blood 25th March 2021 as Merchant (voice)

12 Deadly Days 12th December 2016 as Niko

To Tell the Truth 14th June 2016 as Self - Voice of the Cryptkeeper on "Tales from the Crypt"

New Looney Tunes 21st September 2015 as John / Janitor (voice)

Breadwinners 17th February 2014 as Toilet Monster (voice)

Rick and Morty 2nd December 2013 as Blim Blam (voice)

Mickey Mouse 28th June 2013 as Scrooge McDuck (voice)

Teenage Mutant Ninja Turtles 28th September 2012 as Dark Beaver / Dave Beaver (voice)

Halloween Wars 2nd October 2011 as Self - Guest Judge

Kung Fu Panda: Legends of Awesomeness 19th September 2011 as Sai So (voice)

The Looney Tunes Show 3rd May 2011 as Pete Puma (voice)

Hot in Cleveland 16th June 2010 as The Pope

Castle 9th March 2009 as Mr. Dreyfus

Random! Cartoons 6th December 2008 as Dugly Uckling / Kung Pao Bunny (voice)

Ben 10 27th December 2005 as Zombozo (voice)

Bones 13th September 2005 as Lawrence Melvoy

Danger Rangers 3rd September 2005 as Fallbot (voice)

Avatar: The Last Airbender 21st February 2005 as Chey (voice)

Joan of Arcadia 26th September 2003 as Mime God

The Handler 26th September 2003

NCIS 23rd September 2003 as Perry Swan

CSI: Miami 23rd September 2002 as Farley Wheeler

The Adventures of Jimmy Neutron: Boy Genius 20th July 2002 as Seymour / Student #3 (voice)

Kim Possible 7th June 2002 as Commodore Puddles (voice)

Philly 25th September 2001

The Grim Adventures of Billy and Mandy 24th August 2001 as Lord Moldybutt

Samurai Jack 10th August 2001 as Scissorsmith (voice)

The Job 14th March 2001

Grounded for Life 10th January 2001 as Musgrove

As Told by Ginger 25th October 2000 as Winston (voice)

CSI: Crime Scene Investigation 6th October 2000 as Hotel Guest

Buzz Lightyear of Star Command 2nd October 2000 as Evan Zarl / Snark / Zinko (voice)

The Amanda Show 16th October 1999 as Carl Klutz

The Brothers Flub 2nd October 1999 as (voice)

Rocket Power 16th August 1999 as Ray Rocket (voice)

Charmed 7th October 1998 as Alchemist

The Wild Thornberrys 1st September 1998 as El Gordita (voice)

Hercules 31st August 1998 as River Styx Ferryman (voice)

Love Boat: The Next Wave 13th April 1998 as Dmitri Shishtokovich

CatDog 4th April 1998 as Dunglap / Mervis (voice)

Team Knight Rider 6th October 1997 as Plato

The Visitor 19th September 1997

Cow and Chicken 16th September 1997 as Messenger / Asp (voice)

I Am Weasel 22nd July 1997 as Messenger / Asp (voice)

Johnny Bravo 7th July 1997

Early Edition 28th September 1996 as Jersy Carpathian

Secrets of the Cryptkeeper's Haunted House 14th September 1996 as Cryptkeeper (voice)

Malcolm & Eddie 26th August 1996

Dexter's Laboratory 28th April 1996 as Guy #2 / Guy #3 / Kid #2 (voice)

Boston Common 21st March 1996 as Frankie

Dumb and Dumber 28th October 1995 as Critic / Art Type (voice)

The Single Guy 21st September 1995 as Maitre 'D

Brotherly Love 16th September 1995 as Cryptkeeper

Earthworm Jim 9th September 1995 as Snott / Henchrat (voice)

Sliders 22nd March 1995 as Arnold Potts

Star Trek: Voyager 16th January 1995 as Gar

Friends 22nd September 1994 as Stanley

Duckman 5th March 1994

Problem Child 31st October 1993 as (voice)

Rocko's Modern Life 18th September 1993

Sonic the Hedgehog 18th September 1993

Tales from the Cryptkeeper 18th September 1993 as Cryptkeeper (voice)

Animaniacs 13th September 1993 as Buster Bunny (voice, uncredited)

Bonkers 4th September 1993

Hangin' with Mr. Cooper 22nd September 1992 as Photographer

The Little Mermaid 12th September 1992 as Rats (voice)

Eek! The Cat 11th September 1992 as Mittens (voice)

Dream On 8th July 1990 as Chuck

The Simpsons 17th December 1989 as Various Animals (voice)

FM 17th August 1989 as Don Tupsouni

Tales from the Crypt 10th June 1989 as Crypt Keeper (voice)

Tour of Duty 24th September 1987 as Lenny Pilchowski

Showtime at the Apollo 12th September 1987

Moonlighting 3rd March 1985 as Police Detective

1st & Ten 2nd December 1984 as Zagreb Shkenusky

The Facts of Life 24th August 1979