Cast of Scooby-Doo and the Ghoul School

Casey Kasem voices Shaggy Rogers, one of the main characters who is known for his love of food and his close friendship with Scooby-Doo.

Don Messick voices Scooby-Doo and Scrappy-Doo, the lovable Great Dane who is always getting into adventures with Shaggy and the gang.

Glynis Johns provides the voice for Ms. Grimwood, the headmistress of the Ghoul School where the story takes place.

Susan Blu voices Sibella Dracula, a vampire student at the Ghoul School who befriends Scooby and Shaggy.

Patty Maloney voices Tanis the Mummy, a mummy student at the Ghoul School with a playful and friendly personality.

Pat Musick voices Elsa Frankensteen, a Frankenstein-inspired character who studies at the Ghoul School.

Marilyn Schreffler provides the voice for Winnie Werewolf, a werewolf student at the Ghoul School with a kind heart.

Russi Taylor voices Phantasma, a ghostly character whose presence adds to the spooky atmosphere of the Ghoul School.

Frank Welker voices Matches, Papa Werewolf, and the Well Dweller, contributing to multiple roles in the movie.

Andre Stojka voices The Grim Creeper and Mummy Daddy, characters that add suspense to the story.

Zale Kessler provides the voice for Daddy Dracula and Frankenstein Senior, emphasizing the spooky elements of the film.

Hamilton Camp voices Phantom Father, a character who adds to the supernatural theme of the Ghoul School.