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Willi Forst as Sebastian Ott / Ludwig Ott |
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Gustav Diessl as Strobl |
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Paul Hörbiger as Kriminalrat Baumann |
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Ady Berber as Meinhardt, Ganove |
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Eduard Köck as Eberle |
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Trude Marlen as Erika |
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H. Berger as Meinhardt |
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Lorenz Corvinus as Geheimrat bei der Ausstellung |
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Felix Dombrowsky as Kriminalkommissar |
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Richard Eybner as Schmiedl |
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Pepi Glöckner-Kramer as Marie, Mädchen bei Holzapfel |
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Hanns Hitzinger as Justizrat Norden |
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Reinhold Häussermann as Professor Nissen |
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Walter Kuhle as |
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Ferdinand Mayerhofer as Kriminalkommissar Hellriegl |
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Alfred Neugebauer as Dr. Nemetz, Kriminalrat in Prag |
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Fritz Puchstein as Sekretär |
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Johannes Roth as Kellner |
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Werner Scharf as Paolini |
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Wilhelm Schich as Schneider |
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Otto Storm as Bankdirektor |
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Otto Treßler as Oberst Holzapfel |
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Robert Valberg as Staatsanwalt in Kopenhagen |
| Directing | Willi Forst | Director |
| Directing | Viktor Becker | Director |
| Writing | Eberhard Keindorff | Writer |
| Writing | Axel Eggebrecht | Writer |
| Camera | Carl Hoffmann | Camera Operator |
| Crew | Theo Mackeben | Compositor |
| Camera | Karl Löb | Camera Operator |
| Editing | Hans Wolff | Editor |
