as Ring Announcer

as Scott Innes

as Red Cloak Commander

as Red Cloak Commander (voice)

as Alvin

as Fireman

as Shirt Clerk

as Scrappy Voice (voice)

as Scooby-Doo (voice) (uncredited)

as Scooby-Doo / Shaggy Rogers (voice)

as Scooby-Doo / Shaggy Rogers (voice)

as

as Shaggy Rogers / Scooby-Doo / Scrappy-Doo / Prisoner #1 (voice)

as Scooby-Doo/Shaggy Rogers (voice)

as Scooby Doo / Shaggy (voice)

as Shaggy (voice)

as Scooby-Doo / Norville 'Shaggy' Rogers / Scrappy-Doo (voice)

as Scooby-Doo / Shaggy (voice)

as Shaggy / Scooby-Doo (voice)

as Scooby-Doo (voice)

as Shaggy Rogers (voice)

as Scooby-Doo (voice)

as Self