Besetzung (6)
Frank BaxterHimself (as Dr. Frank C. Baxter)Hadley CantrellHimself - Princeton University Psychologist (as Professor Hadley Cantrell)
Edwin MaxBillWilder PenfieldHimself - Director: Montreal Neurological Institute (as Dr. Wilder Penfield)
Peter BrownAristotle's student (uncredited)
Karl SwensonHal - the Cameraman (uncredited)