William Fawcett
Blinky
Anthony Warde
Rogan
Eddie Parker
Torturer
Jack Ingram
Cameron
Don McGuire
Congo Bill
Cleo Moore
Lureen / Ruth Culver
Neyle Morrow
Kahla
Fred Graham
Villabo
Frank Lackteen
Nagu
Wally West
Circus Henchman
Charles King
Kleeg
Stanley Price
Nagu's Friend
I. Stanford Jolley
Bernie MacGraw
Frank O'Connor
Frank
Leonard Penn
Andre Bocar
Hugh Prosser
Morelli
Armida
Zalea
Knox Manning
Narrator
Nelson Leigh
Dr. Greenway