Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)
Snagglepuss / Yogi Bear / Quick Draw McGraw / Various (voice)
Mildew Wolf / Dread Baron / Great Fondoo / Doggie Daddy (voice)
Dynomutt / Jabberjaw / Magic Rabbit / Sooey Pig (voice)
Barney Rubble / Captain Caveman / Speed Buggy (voice)