| Actor | Role |
|---|---|
 Karl Ludwig DiehlIngenieur Max Klaar | Ingenieur Max Klaar |
 Paul HörbigerDr. Felix Sandhofer | Dr. Felix Sandhofer |
 Olga TschechowaNora Noir | Nora Noir |
 Maria AndergastKinga Gerold | Kinga Gerold |
 Frida RichardKathi | Kathi |
| TTraudl StarkNot listed | Not listed |
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