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Montgomery Clift as Professor James Bower |
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Hardy Krüger as Counselor Peter Heinzmann |
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Macha Méril as Frieda Hoffmann |
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David Opatoshu as Orlovsky |
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Christine Delaroche as Ingrid Weiß |
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Hannes Messemer as Dr. Saltzer |
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Karl Lieffen as Major Windisch |
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Uta Levka as Mädchen unter der Dusche |
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Roddy McDowall as Agent Adams |
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Johannes Buzalski as Agent (uncredited) |
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Eckart Dux as Professor James Bower (voice) (uncredited) |
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Jean-Luc Godard as Orlovsky's Friend (uncredited) |
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Eduard Linkers as Fluchthelfer Franz Ritter (uncredited) |
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Franz Rudnick as Dr. Saltzer (voice) (uncredited) |
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Rolf Zacher as Tommy (uncredited) |
| Directing | Raoul Lévy | Director |
| Camera | Raoul Coutard | Director of Photography |
| Sound | Serge Gainsbourg | Original Music Composer |
| Writing | Paul Thomas | Novel |
| Production | Julien Derode | Executive Producer |
| Editing | Albert Jurgenson | Editor |
| Production | Raoul Lévy | Producer |
| Production | Conrad von Molo | Co-Producer |
| Writing | Robert Guenette | Screenplay |
| Writing | Raoul Lévy | Screenplay |
