Richard Anderson
Dr. Paul Mallon
Elaine Edwards
Tina Enright
Adele Mara
Maria Fiorillo
Luis van Rooten
Dr. Carlo Fiorillo
Jan Arvan
Police Insp. Renaldi
Morris Ankrum
Narrator (unconfirmed)
Felix Locher
Dr. Emanuel
Gar Moore
Dr. Enricco Ricci
Bob Bryant
Quintillus Aurelius
George Sawaya
Tony
