Frank Welker

Scooby-Doo (voice)

Kate Melton

Daphne

Hayley Kiyoko

Velma

Nick Palatas

Shaggy

Robbie Amell

Fred

Marion Ross

Hilda Trowburg

Beverly Sanders

Wanda Grubworth

Ted McGinley

Uncle Thorny

David Joyner

Sinister Clown

Richard Moll

Elmer Uggins

Michael Berryman

Zombie Head

Nichelle Nichols

Senator