Alan Carney (Mike Strager)
Bela Lugosi (Dr. Paul Renault)
Wally Brown (Jerry Miles)
Anne Jeffreys (Jean La Dance)
Sheldon Leonard (Ace Miller)
Sir Lancelot (Calypso Singer)
Louis Jean Heydt (Douglas Walker)
Darby Jones (Kolaga)
Frank Jenks (Gus, His Henchman)
Russell Hopton (Benny)
Joseph Vitale (Joseph)
Ian Wolfe (Prof. Hopkins)