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Robert Valberg as Oberst Alfred Redl |
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Eugen Neufeld as Oberst Ullmanitzky |
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Harry Norbert as Oberstleutnant Jamischewicz |
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Albert von Kersten as Major Wierenkoff |
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Eugen Dumont as Kriegsminister Rußlands |
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Dagny Servaes as Sonja Uraskow |
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Ellen Reith as Hauptmann Erdmann's Braut |
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Carlos Gerspach as Hauptmann Erdmann |
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Louis Seeman as Gendarmerieoberst Boreff |
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Julius Stärk as Auditor |
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Mella Baffa as |
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Louis Erdmann as |
| Directing | Hans Otto Löwenstein | Director |
| Camera | Eduard Hoesch | Director of Photography |
| Writing | Hans Seeliger | Writer |
| Writing | Hans Otto Löwenstein | Writer |
