Directed by
| Adonis Kyrou | ... | (as Ado Kyrou) |
Writing Credits (in alphabetical order)
| Edmund Cooper | ... | (novel) |
| Claude Delarue | ||
| Adonis Kyrou | ... | (as Ado Kyrou) |
Cast (in credits order)
 |
Henri Gilabert | ... | Denis Lange |
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Simone Bach | ... | Mélanie |
| Claude Cerval | ... | Nathanaël de Geoffroy | |
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François Chodat | ... | Tibère |
| Marcel Dalio | ... | Machiavel | |
|
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Guy Fox | ... | Johan |
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Lise Lachenal | ... | Diana |
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Serge Nicoloff | ... | Le speaker |
|
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Anna Salberg | ... | Denise de Geoffroy |
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Jacques Verlier | ... | Cassius |
Music by
| François de Roubaix | ||
Cinematography by
| Jacques Manson | ||
Editing by
| Michel Hirtz | ||
Production Design by
| Philippe Ancellin | ||
Makeup Department
| Jocelyne Blankenstijn | ... | makeup artist |
| Daniel Stuffel | ... | hair stylist |
Production Management
| Gérard Déthiollaz | ... | production manager (as Gérard Dethiolaz) |
Second Unit Director or Assistant Director
| Alain Bertrand | ... | assistant director |
| Michel Strugar | ... | assistant director |
Sound Department
| Pierre Angles | ... | sound effects |
| Claude Pellaud | ... | boom operator |
| René Sutterlin | ... | sound |
Camera and Electrical Department
| Beat Lüthy | ... | assistant camera (as Beat Luthy) |
| Igaal Niddam | ... | camera operator |
Editorial Department
| Pierre Houdain | ... | supervising editor |
Script and Continuity Department
| Catherine Borel | ... | script supervisor |