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Gérard Séty as Claude le détective privé |
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Philippe Noiret as M. Van Dam |
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Micheline Gary as Mme T. |
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Jean-Pierre Kérien as M. T. |
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Marco Villa as le directeur d'agence |
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Simone Barillier as la femme de chambre |
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Christian Marin as le second détective privé |
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Michel Ferrand as le portier du palace |
| Directing | Lazare Iglesis | Director |
| Writing | Jérôme Géronimi | Writer |
| Writing | André Gillois | Writer |
| Crew | Georges Leclerc | Cinematography |
| Sound | Maurice Jarre | Sound |
