Cast
- Alois Maria Giani as Johann Heinrich Gruhl
- Wolfgang Büttner as Stollfuß
- Günter Strack as Kugl-Egger
- Wolfgang Hofmann as Dr.Hermes
- Peter Loth as Bergnolte
- Hermann Günther as Kirffel
- Hanns Ernst Jäger as Professor Büren
- Karin von Wangenheim
- Angela Winkler as Zeugin
- Kurt Großkurth