Scooby-Doo and Shaggy must go into the underworld ruled by The Goblin King in order to stop a mortal named The Amazing Krudsky who wants power and is a threat to their pals: Fred, Velma, and Daphne.
as Scooby-Doo / Fred Jones (voice)
as Shaggy Rogers (voice)
as Daphne Blake / Cat Witch / Honeybee (voice)
as Velma Dinkley (voice)
as The Grand Witch (voice)
as The Goblin King (voice)
as Glob (voice)
as The Amazing Krudsky (voice)
as Mr. Gibbles (voice)
as Fairy Princess Willow (voice)
as Glum (voice)
as Jack O'Lantern (voice)
as Sparkplug (voice)
as Owl Witch / Tiddlywink