Scooby-Doo / Sheriff / Mouse / Police Officer / Bank Guard / Buck Masters / Bulldog / Chick / Chicks / Ebenezer Shark / Hank / Henry Bascombe / John Maxwell / Max the Midget / Mr. Barnstorm / Mr. Grisby / Mr. Jenkins / Mr. Wetherby / Mr. Wickles / Parrot / Professor Ingstrom / Professor Jameson Hyde White / Radio Voice / Roger Stevens / Security Guard / The Great Bluestone / The Indian Witch Doctor / The Phantom / The Professor / The Spooky Space Kook / The Witch / Waiter / Zeke / Zombie 1
Additional Voices / Asa Shanks / Balloon Ghost / Big Ben / Bluestone the Great / Cosgood Creeps / Farmer / Green Ghosts / Mr. Greenway / Phony Phantom / The Headless Specter / The Phantom
Additional Voices / Big Bob Oakley / Butler / C.L. Magnus / Coast Guard Officer / Dr. Jekyll / Dracula / Frankenstein's Monster / Ghost of Elias Kingston / John Simms / Mano Tiki Tia / Museum Worker / Pirate Puppet / Professor Wayne / Samson the Strongman / Sheriff / Stuart Wetherby / The Black Knight / The Caveman / The Creeper / The Ghost of Mr. Hyde / The Ghost of Redbeard / The Mummy of Ankha / The Witch Doctor / The Zombie / Viking Puppet / Werewolf
Fred Jones / Alligator / Cat / Charlie / Dolphin / Elephant / Girl Dog Puppet / Hermit of the Hills / Johnny / Lion / Pink Dog / Pirate Skull / Princess / Seals / The Werewolf / Vulture / Zombie 2