Cast
- Luise Ullrich as Helma Krauss
- Hans Söhnker as Dr. Clausen
- Karin Dor as Elena Clausen
- Hans Leibelt as Direktor
- Ernst Schröder as Dr. Rottach
- Ernst Waldow as Prof. Renard
- Willi Rose as Pedell
- Hilde von Stolz as Frau Ermer
- Paul Bösiger as Martin Bruck
- Arno Paulsen as Stadtrat Ermer