 |
Max Landa as Detective Landa |
 |
Reinhold Schünzel as Freiherr von Mohrungen |
 |
Conrad Veidt as Wilmos, sanatorium director |
 |
Hilde Woerner as Siegnis, maid |
 |
Marga von Kierska as Frau von Riberac |
| Art | Mathieu Oostermann | Art Direction |
| Camera | Kurt Lande | Director of Photography |
| Directing | Karl Mueller-Hagens | Director |
| Writing | Ferdinand Runkel | Novel |
| Writing | Paul Rosenhayn | Screenplay |
