| Actor | Role |
|---|---|
 Georg AlexanderDr. Edgar Hupp | Dr. Edgar Hupp |
 Julius FalkensteinProfessor Haberling | Professor Haberling |
 Maria PaudlerMary | Mary |
 Livio PavanelliDr. Fritz Denk | Dr. Fritz Denk |
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| Actor | Role |
|---|---|
| Georg AlexanderDr. Edgar Hupp | Dr. Edgar Hupp |
| Julius FalkensteinProfessor Haberling | Professor Haberling |
| Maria PaudlerMary | Mary |
| Livio PavanelliDr. Fritz Denk | Dr. Fritz Denk |