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Alain Delon as Dr. Michel Ambrose |
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Jean Yanne as Louis Carrier |
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Renato Salvatori as Albert |
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Marie Déa as Gisèle Valin |
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Michel Creton as Bob |
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Robert Dalban as Le chauffeur de taxi |
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Gabriel Cattand as Jimmy Laurent |
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Guy Saint-Jean as Dupré |
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Fernand Guiot as Le policier à Ostende |
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Georges Riquier as Un membre de la préfecture de police |
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Alan Adair as Le ministre anglais de l'Industrie |
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Claudine Berg as La logeuse de Carrier |
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Rosario Borelli as Le policier italien |
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Philippe Chemin as Le prostitué belge |
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Michèle Cotta as La journaliste TV |
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Anna Gaylor as La vendeuse de télévisions |
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Bertrand De Hautefort as Le premier Ministre |
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Jeanne Herviale as La tenancière de l'hôtel d'Ostende |
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Susanna Javicoli as Gabriela |
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Dudley Jones as Wood |
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Jean-Jacques Lagarde as |
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Gino Lavagetto as Commissaire Sampieri |
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Monique Martial as a secrétaire de Scotland Yard |
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Michel Duchaussoy as Inspecteur Jacques Vivien |
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Nicole Norden as La policière |
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Régis Porte as L'ouvreur de la salle de spectacle |
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Tony Ripoll as |
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Tony Rödel as Hessen, un responsable Interpol |
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Alan Rossett as Le commissaire américain |
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Virginie Solenn as |
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Nadia Verine as L'agent immobilier |
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Martine Stedil as La blonde avec Bob (uncredited) |
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Jacques Pisias as Un inspecteur chez Gisèle Valin (uncredited) |
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Claude Pascadel as Un reporter (uncredited) |
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Roger Muni as Le reporter à l'imperméable (uncredited) |
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Jean-Paul Muel as La mari de Simone (uncredited) |
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Roland Malet as Un CRS (uncredited) |
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Yvonne Legrand as La vieille spectatrice évacuée (uncredited) |
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Michel Bonnet as Un ouvreur de la salle de spectacle (uncredited) |
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Francis André-Loux as Un enquêteur à Nice (uncredited) |
| Directing | Alain Jessua | Director |
| Writing | Alain Jessua | Writer |
| Costume & Make-Up | Françoise Andrejka | Assistant Makeup Artist |
| Sound | Jean-Pierre Ruh | Sound |
| Writing | David Lippincott | Novel |
| Camera | Jacques Robin | Director of Photography |
| Costume & Make-Up | Eric Muller | Makeup Artist |
| Costume & Make-Up | Pierre Nourry | Costume Design |
| Sound | Astor Piazzolla | Music |
| Production | Alain Delon | Producer |
| Editing | Hélène Plemiannikov | Editor |
| Production | Raymond Danon | Producer |
| Production | Norbert Saada | Associate Producer |
| Art | Constantin Mejinsky | Production Design |
