
An unemployed investor creates a fictious business partner to attempt to improve business. Eventually, his creation gets out of control as his business becomes successful and his wife announces that she is in love with the partner and his son wishes the partner was his father -- although no one has ever seen him. To regain control, the man decides to "kill" his imaginary partner and is arrested for the murder.
Genres:

Michel Serrault as Julien Pardot

Claudine Auger as Agnès Pardot, épouse de Julien

Catherine Alric as Mme Alice Duphorin, épouse de Marc, amante de Julien

Judith Magre as Mme Breol, la secrétaire de Julien

Bernard Haller as M. Hellzer, propriétaire d'une banque

Marco Perrin as Colonel Vauban, administrateur de sociétés

Jean Martin as M. Bastias

Fabrice Josso as Thierry Pardot

Henri Virlogeux as M. Urioste, agent de change

Mathieu Carrière as Louis, ami de Julien

Vadim Glowna as Me Marc Duphorin, avocat d'affaires véreux

Astrid Frank as Mme Marie-Claude Hellzer, amante de Louis

Béatrice Radian as

Daniel Prévost as M. Zephyr, « Top Concepteur » de l'agence de publicité

Jacques Legras as M. Pernais, inspecteur de police

René Alié as Un client investisseur, mari de la femme aux bijoux

Dominique Zardi as Le portier du ministère

Jacques Galland as Un client qui attend et en vient aux mains

Nathalie Courval as La femme au bébé qui fait du chantage

Jacques Dynam as M. Mathivet, promoteur d'affaires

Jean-Pierre Coffe as L'employé du magasin de squelettes

Jean Leuvrais as M. Armand, le directeur de l'agence de publicité

Patrice Laffont as Un présentateur de télévision

Christian Morin as L'animateur radio de Europe 1

Sophie Grimaldi as L'antiquaire sans-gêne

Florence Brunold as L'autre antiquaire, prétentieuse et bête

Pierre Belot as Un courtier à la Bourse de Paris

Carmelo Petix as Un courtier à la Bourse de Paris

Madeleine Bouchez as La dame âge outrée du legs pour Julien

Jean-Claude Carrière as Un homme présent à la lecture du testament

Fanny Magier as Une cliente attendant M. Davis

Nicole Dessailly as Une client qui veut investir

Ernest Menzer as Un client attendant M. Davis

Raymond Pierson as Un épargnant en colère

Albert Lerner as Un épargnant en colère

Jean-Claude Carrière as Un homme à la lecture du testament (uncredited)

Jean Degrave as André, le ministre de l'économie (uncredited)

Patrick Gobert as Un autre C.R.S.qui intervient pour M. Hellzer (uncredited)

Lionel Vitrant as Un C.R.S.qui intervient pour M. Hellzer (uncredited)

Olga Valéry as Une cliente, la femme aux bijoux (uncredited)
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