Scooby-Doo and the gang are on the case when a mysterious lake monster starts scaring the guests at a summer resort in Erie Point, where Fred, Daphne, Velma and Shaggy have taken on seasonal jobs to pay for a barn they accidentally burned down. But in addition to sneaking suspicions, there's some romance in the air.
as Scooby-Doo (voice)
as Daphne
as Velma
as Shaggy
as Fred
as Hilda Trowburg
as Wanda Grubworth
as Uncle Thorny
as Witch Doctor
as Wolfman
as Sinister Clown
as Scooby Roller Disco Suit Performer
as Elmer Uggins
as Zombie Head
as Senator