Janos Prohaska

as Heloise (uncredited)

as Clyde

as Anthropoid Ape / Humanoid Bird

as Bear (uncredited)

as Gorilla

as Gorilla

as The Mugato

as The Horta

as Yarnek (uncredited)

as Monkey

as Thetan (uncredited)

as The Mikie

as Gorboona

as Bear

as Bird Monster

as Bear