Don Messick
Announcer / Boo Boo Bear / Scooby-Doo / Mr. Creeply (voice)
Cast
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)
Mel Blanc
Barney Rubble / Captain Caveman / Speed Buggy (voice)
Julie Bennett
Cindy Bear (voice)
Marilyn Schreffler
Brenda Chance / Daisy Mayhem (voice)
Vernee Watson
Dee Dee Skyes (voice)
Laurel Page
Acting
Heather North
(voices)
Alan Reed
Acting
Gary Owens
Acting
Bob Holt
Acting
Joe Besser
Acting
Doug Young
Acting
Julie McWhirter
Acting
