Scooby's Laff A Lympics
The Creepy Heap from the Deep (10/29/1977)
Overview
A huge sea monster disrupts the kids' beach party, but when they take refuge in an old house they run into a ghostly sea captain whose spirit has been stolen by the monster.
Main Cast
Don Messick
Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)
Daws Butler
Snagglepuss / Yogi Bear / Quick Draw McGraw / Various (voice)
John Stephenson
Mildew Wolf / Dread Baron / Great Fondoo / Doggie Daddy (voice)
Casey Kasem
Shaggy Rogers (voice)
Scatman Crothers
Hong Kong Phooey (voice)
Frank Welker
Dynomutt / Jabberjaw / Magic Rabbit / Sooey Pig (voice)