Fred Jones / Scooby-Doo (voice)

Shaggy Rogers (voice)

Velma Dinkley (voice)

Daphne Blake (voice)

Burr Batson / Champ Truman (voice)

Fish Fiend (voice)

Charles 'Crunchy' Granville / Fritz / Mr. Keenan (voice)

Sue Krose (voice)

Malachi Crunch / Titanic Twist (voice)

J.T. Page / Steve Powell (voice)

Band Member / Curtis / Fair Headed Boy (voice)

Nancy Chang (voice)

Announcer / Red Guy (voice)

Luna (voice)

Jingle (voice)

Gibby Norton (voice)

Terry / Joe (voice)

Avery Orenthal / Government Agent (voice)

Camel Sam / Tourist Dad (voice)

Cat Creature (voice)

Rebel Canyon (voice) (uncredited)