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Eddie Constantine as Lemmy Caution |
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Colette Deréal as Constance |
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Grégoire Aslan as Siegella |
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Claude Borelli as Miranda Van Zelden |
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Véra Norman as Susanne, assistant of Miranda |
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Jacqueline Pierreux as Dora |
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Roland Bailly as Johny |
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Guy Decomble as Jacques 'le Dingue' |
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Luc Andrieux as Maurice |
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Émile Genevois as Siegella's Henchman |
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Henry Djanik as William Bosco |
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Gil Delamare as Siegella's Henchman |
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Roger Goze as |
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Jacques Angelvin as French Judiciary Director |
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Don Ziegler as Interpol Agent |
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Raymond Francky as |
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Louis Viret as Siegella's Henchman |
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Colette Mareuil as Woman Fainting aboard the Black Swan |
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Michel Nastorg as Goyas the Black Swan's Host |
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Michel Seldow as Pierrot 'les Cartes' |
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Luce Aubertin as Woman at Fashion Show (uncredited) |
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Jacques Richard as Siegella's Henchman (uncredited) |
| Directing | Jean Sacha | Director |
| Sound | Jacques Carrère | Sound |
| Art | Alfred Marpaux | Production Design |
| Costume & Make-Up | Nicole Bouban | Makeup Artist |
| Costume & Make-Up | Omer Bouban | Makeup Artist |
| Production | Georges Sénamaud | Producer |
| Sound | Julien Coutelier | Sound |
| Writing | Marcel Duhamel | Dialogue |
| Camera | Marcel Weiss | Director of Photography |
| Writing | Jacques Berland | Writer |
| Writing | Peter Cheyney | Novel |
| Editing | Paulette Robert | Editor |
| Sound | Jean Marion | Original Music Composer |
