4 Schlüssel

Hellmut Lange as Rolf Thilo Paul Edwin Roth as Konrad von Brenken Ellen Schwiers as Irene Quinn Hanns Lothar as Richard Hiss Heinz Engelmann as Polizei-Offizier Walter Rilla as Eduard Rose Ida Krottendorf as Margarete Wohlers Joseph Offenbach as Vater Wohlers Monika Peitsch as Silvia Rose

Jürgen Roland Director Wolfgang Treu Director of Photography