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Harry Piel as Harry Peters, Kriminal-Assistent |
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Henry Lorenzen as Erich Wilke |
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Alfred Haase as Hildebrandt, Kriminalrat |
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Lissy Arna as Frau Woerden, Pensionsinhaberin |
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Ernst Legal as Emil Müller |
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Trude Hesterberg as Emmi Gärtner |
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Paul Westermeier as Emil Kruppack / William Hopkins |
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Else Reval as |
| Directing | Harry Piel | Director |
| Writing | Harry Piel | Writer |
| Production | Harry Piel | Producer |
| Sound | Fritz Wenneis | Original Music Composer |
| Camera | Günther Anders | Director of Photography |
| Camera | Friedl Behn-Grund | Director of Photography |
| Editing | Carl Otto Bartning | Editor |
| Art | Karl Weber | Production Design |
| Art | Erich Zander | Production Design |
| Sound | Adolf Jansen | Sound |
| Production | Arno Winkler | Unit Manager |
| Production | Eduard Kubat | Production Manager |
