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Pierre Cassignard as Georges Duroy dit « Bel-Ami » / M. du Roy de Cantel |
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Geneviève Casile as Mme Virginie Walter |
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Macha Méril as Mme Madeleine Forestier / Mme du Roy de Cantel |
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Carole Richert as Mme Clotilde de Marelle, femme mariée et amante de Bel-Ami |
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Olivier Claverie as Le ministre des Affaires étrangères Laroche-Mathieu |
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Alexis Nitzer as M. Walter, directeur du journal « La Vie Française » |
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Marcel Cuvelier as M. Norbert de Varenne |
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Eric Prat as M. Charles Forestier |
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Jean Négroni as |
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Frédéric Haddou as |
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Axelle Charvoz as Melle Suzanne Walter, la jeune fille |
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Alain Stern as |
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Fanny Roussel as Rachel, prostituée |
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Benoît Soles as |
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Emmanuel Ducluzeau as |
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Marc Guillaumin as |
| Camera | Jean Coudsi | Director of Photography |
| Lighting | Éric Caillé | Electrician |
| Editing | Didier Ranz | Editor |
| Production | Guillaume Lagorce | Coordinating Producer |
| Production | François de La Baume | Producer |
| Directing | Didier Long | Stage Director |
| Lighting | Franck Thévenon | Lighting Manager |
| Production | Éric Debeaumont | Producer |
| Costume & Make-Up | Guillaume Tixier | Hair Designer |
| Directing | Annie Didion | Assistant Director |
| Sound | Bobby Sinister | Sound Assistant |
| Directing | Charles Smith | Director |
| Costume & Make-Up | Bernadette Villard | Costumer |
| Costume & Make-Up | Françoise Daoudi | Hairdresser |
| Crew | Philippe Kurzawa | Mixing Engineer |
| Crew | Guy Byron | Technical Supervisor |
| Writing | Pierre Laville | Author |
| Writing | Guy de Maupassant | Novel |
| Production | Michelle Quéré | Coordinating Producer |
| Camera | Giori Lazarevski | Camera Operator |
| Sound | Miiguel Nogueira | Sound Engineer |
| Crew | Diep Pham Ngoc | Script |
| Sound | Sabrina Nessi | Sound Assistant |
| Sound | Hervé Leymarie | Musician |
| Production | Claire Schnee | Coordinating Producer |
| Costume & Make-Up | Valérie Delafosse | Costumer |
| Camera | Franck Séchan | Camera Operator |
| Camera | Chi Pham Ngoc | Camera Operator |
| Writing | Didier Long | Scenario Writer |
| Camera | Jean Coudsi | Camera Operator |
| Editing | Jean-Christophe Marcot | Editor |
| Writing | Didier Long | Adaptation |
| Production | Christian Laurent | Producer |
| Writing | Pierre Laville | Adaptation |
| Writing | Pierre Laville | Writer |
| Art | Rudy Sabounghi | Head Decorator |
| Art | Charlotte Ullman | Art Direction |
