Cast
- Grethe Weiser as Mary Miller
- Heinz Bender-Plück as Der alte Laughsen
- Ernst Ernsthoff as Professor Lew Laughsen
- Ursula Graeff as Elisabeth Laughsen
- Renate Heilmeyer as Betty Laughsen
- Henry König as Johnny Walles
- Ingomar Wienhöfer as Fred
- Gerda-Maria Jürgens as Anna Dowlens
- Reinhold Nietschmann as Jan Freem