Larry D. Mann
— Professor Von Rotten (voice)
Billie Mae Richards
— Willy McBean (voice)
Alfie Scopp
— Buffalo Bill Cody / The Dragon / General Custer (voice)
Paul Kligman
— Christopher Columbus / Sitting Bull (voice)
Bernard Cowan
— Khufu / Ned the Caveman (voice)
Paul Soles
— Pablo the Monkey / King Ferdinand (voice)
Peggi Loder
— (voice)
Corinne Conley
— (voice)
James Doohan
— (voice)
Claude Rae
— (voice)