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Joachim Gottschalk as Engelbrecht, Chemiker |
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Ernst von Klipstein as Dr. Paul Gildemeister, Chemiker |
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Hertha Feiler as Barbara Wrede |
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Paul Hoffmann as Dr. Wrede, Barbaras Bruder |
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Siegfried Schürenberg as Dr. Marlow, Werkslaborant |
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Walter Werner as Hedemeier, Prokurist |
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Gerhard Dammann as Julius Hückebusch, Werkmeister |
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Gerhard Bienert as Müller, Lagerverwalter |
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Theo Shall as René Laroche, Fabrikbesitzer |
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Ingolf Kuntze as Dr. Schmidtmann, Bank-Abteilungsleiter |
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Kurt Mikulski as Prokurist |
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Bruno Klockmann as Thomas, Nachtwächter |
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Franz Arzdorf as Polizeipräsident |
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Ludwig Schmid-Wildy as Kriegsgefangener |
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Fritz Böttger as Nachtlokalbesitzer |
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Hermann Mayer-Falkow as |
| Sound | Hans-Martin Majewski | Original Music Composer |
| Camera | Oskar Schnirch | Director of Photography |
| Directing | Arthur Maria Rabenalt | Director |
| Production | Otto Lehmann | Line Producer |
| Writing | Philipp Lothar Mayring | Screenplay |
| Writing | Carl Unselt | Novel |
| Sound | Carl Erich Kroschke | Sound |
| Directing | Wolfgang Wehrum | Assistant Director |
