Edward Dmytryk Director Curd Jürgens Professor Immanuel Rath Actor May Britt Lola-Lola Actor Theodore Bikel Klepert Actor John Banner Principal Harter Actor Fabrizio Mioni Rolf Actor Ludwig Stössel Dr. Fritz Heine Actor Wolfe Barzell Clown Actor Ina Anders Gussie Actor Nigel Balchin Screenwriter Jack Cummings Producer Leon Shamroy Cinematographer Jack W. Holmes Film Editing