Harvey Atkin
Elliot Harvey Atkin (18 December 1942 – 18 July 2017) was a Canadian actor. He was best known for his roles as Morty Melnick in Meatballs, Sam in The Adventures of Sam & Max: Freelance Police, Sergeant Ronald Coleman in Cagney & Lacey, and for voicing King Koopa in the three Mario cartoon franchises; The Super Mario Bros. Super Show!, The Adventures of Super Mario Bros. 3 and Super Mario World. Description above from the Wikipedia article Harvey Atkin, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Law & Order: Special Victims Unit
Law & Order
Suits
Law & Order: Criminal Intent
Due South
Cagney & Lacey
The New Alfred Hitchcock Presents
Goosebumps
The New Avengers
Kevin Hill
My Secret Identity
The Super Mario Bros. Super Show!
Big Wolf on Campus
RoboCop: The Series
The Adventures of Super Mario Bros. 3
The NeverEnding Story
Heavy Metal
Producing Parker
18 to Life
Little Shop
Jacob Two-Two
Meatballs
The Ripping Friends
Stunt Dawgs
The Adventures of Sam & Max: Freelance Police
Super Mario World
Swamp Thing
Silver Streak
No Image
The Great Defender
Wish Kid