Marion Ross is an American actress, best known for her role as Marion Cunningham on the ABC sitcom Happy Days (co-starring Ted McGinley), from 1974 to 1984. She is also the voice of Grandma SquarePants in SpongeBob SquarePants (starring Tom Kenny, Rodger Bumpass, and Clancy Brown).

Live roles

TV films/direct-to-video films

Scooby-Doo! Curse of the Lake Monster

Main article(s): Scooby-Doo! Curse of the Lake Monster
Hilda Trowburg

Voice roles

TV series

Scooby-Doo! Mystery Incorporated

Main article(s): Scooby-Doo! Mystery Incorporated
Episode Role
113. When the Cicada Calls Grandma Moonbeam
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