Fred
Velma
Daphne
Shaggy
Scooby-Doo (voice)
Uncle Thorny
Elmer Uggins
Senator
Hilda Trowburg
Wanda Grubworth
Wolfman
Zombie Head
Hawaiian Dance Girl #2
Sinister Clown
Hawaiian Dance Girl #1
Witch Doctor
Twisting Girl (as Alexandra Quinn)
Scooby Roller Disco Suit Performer (as Danielle Hawkins)
Lake Monster Suit Performer (as Carey L. Jones)
Scooby Hawaiian Dancer Suit Performer
Scooby Hip Hop Suit Performer
Scooby Hip Hop Suit Performer (as Philip 'Spee-D' Albuquerque)
Scooby Suit Performer
Settler #1 (uncredited)
Tennis Player (uncredited)
Fireman (uncredited)
Scarecrow (uncredited)
Country Club Member (uncredited)
Photogapher (uncredited)
Golfer (uncredited)