As of June 2026, John Kassir is best known for NCIS and Bones. Find every show and movie John Kassir has starred in — and where to watch them — below.
John Kassir

John Kassir

Actor Born 1957 Baltimore, Maryland, USA 12 TV Shows 8 Movies

John Kassir is an American actor and comedian. He is known for his work as the voice of the Cryptkeeper in HBO's Tales from the Crypt franchise. He is also known for his role as Ralph in the off-Broadway show Reefer Madness and its 2005 film adaptation. He is also the current voice of Scrooge McDuc...

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📺 John Kassir's TV Shows

NCIS
Perry Swan
2003
Bones
Lawrence Melvoy
2005
The Simpsons
Various Animals (voice)
1989
The Simpsons
Donkey (voice)
1989
The Simpsons
Possum (voice)
1989
CSI: Crime Scene Investigation
Hotel Guest
2000
Rick and Morty
Blim Blam (voice)
2013
Friends
Stanley
1994
CSI: Miami
Farley Wheeler
2002
Castle
Mr. Dreyfus
2009
Charmed
Alchemist
1998
Star Trek: Voyager
Gar
1995

🎬 John Kassir's Movies

Sing 2
Additional Voices (voice)
2021
The Secret Life of Pets 2
Additional Voices (voice)
2019
Monsters University
Additional Voices (voice)
2013
Jack the Giant Slayer
General Fallon's Small Head
2013
The Emoji Movie
Additional Voices (voice)
2017
The Grinch
Additional Voices (voice)
2018
Despicable Me 3
Additional Voice (voice)
2017
Pocahontas
Meeko (voice)
1995

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