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Theodor Loos as Oberst Alfred Redl |
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Lil Dagover as Vera Nikolayevna |
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Otto Hartmann as Stephan Dolan, Ulanenleutnant |
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Truda Grosslichtová as Franzi |
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Luigi Bernauer as Ein Stimmungssänger im Wiener 'Trocadero' |
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Alexander Murski as Daragaieff, russischer Spion |
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Michael von Newlinsky as Der russische Botschafter in Wien |
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Magnus Stifter as Oberst Umanizky |
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Werner Jansch as Der Chef des russischen Spionageddienstes in Petersburg |
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Friedrich Hölzlin as Marchenko |
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Willy Bauer as General Conrad von Hoetzendorf |
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Hans Götz as Ein Erzherzog |
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Rudolf Weinmann as Der Korpskommandant von Prag |
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Philipp Veit as Der Polizeipräsident von Wien |
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Leo Dudek as Erster Detektiv |
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Rudolf Stadler as Zweiter Detektiv |
| Art | Artur Berger | Production Design |
| Art | Emil Stepanek | Production Design |
| Crew | Eduard Hoesch | Cinematography |
| Crew | Václav Vích | Cinematography |
| Directing | Karl Anton | Director |
| Sound | Willy Engel-Berger | Original Music Composer |
| Sound | Helmuth Neumann | Sound |
| Writing | Egon Erwin Kisch | Short Story |
| Writing | Emil Artur Longen | Theatre Play |
| Writing | Alfred Schirokauer | Writer |
| Writing | Benno Vigny | Writer |
