Claude Brasseur as François Beretton

Brigitte Fossey as Françoise Beretton

Sophie Marceau as Victoire Beretton, known as “Vic”

Denise Grey as Poupette, François' grandmother, Vic's great-grandmother

Pierre Cosso as Philippe Berthier

Lambert Wilson as Félix Maréchal

Alexandre Sterling as Mathieu

Sheila O'Connor as Pénélope Fontanet

Alexandra Gonin as Samantha Fontanet, Penelope's younger sister

Daniel Russo as Étienne, François' dentist friend

Jean-Philippe Léonard as Stéphane

Laurent N'Diaye as Arnaud

Philippe Kelly as Reddo

Alain Beigel as Raoul

Laetitia Gabrielli as Joëlle, who has to take her swimming test without knowing how to swim

Frédérique Pressmann as Géraldine, with dental braces

Christopher Beaunay as Jean-Pierre

Laurence Gigon as Caroline

Nathalie Riqué as Lydia, Vic's rival

Claudia Morin as Mrs. Fontanet, mother of Pénélope

Jean Leuvrais as Professor Portal, in Lyon

Zabou Breitman as Catherine, Philippe's ex

Marie Bunel as Owner of “Studio 27” lent for Mathieu’s Party

Robert Le Béal as Doctor Colbert, president of the jury, defense of François

Robert Dalban as Serge, waiter at “La Coupole”

Janine Souchon as Mrs. Monnet, Vic's parents' "secret agent"

Michel Bonnet as Taxi driver (“no smoking”)

Gaëlle Legrand as Cécile, at the restaurant, sitting next to Félix

Patricia Millardet as Cécile's friend at the restaurant, sitting opposite Félix

Annette Poivre as Adrienne

Lucienne Legrand as Lady who takes offense at the Mozart concert in Salzburg

Mathieu Rivolier as Researcher in the lab with François

Catherine Griffoni as Thérèse, trainee “mouse” who works with François

Hélène Hily as Nurse at the hospital

Eva Harling as Zoé

Vladimir Cosma as Self, at the recording studio for Poupette

Michel Derain as French Teacher (uncredited)

Francis Lemaire as Samantha's little buddy

Dominique Bauguil as Felix's friend

Gérard Cuvier as Shy customer

Jérôme Nobécourt as Bartender at the “Cook da Books” concert

Philippe Kelly as Fredo, Philippe's friend

Jacques Ferrière as

Valérie Marlière as

Robert E. Weill as

Anouk Vidal as

Virginie Nègre as

Jean-Jacques Merle as

Marie-Laurence as

Frédéric Lorgeoux as

Olivier Gins as Marc

François Demarle as

Philippe Aussant as

Jean-Louis Airola as Cop controlling Vic as a "prostitute" (uncredited)

Michel Berreur as Cop controlling Vic as a "prostitute" (uncredited)

Danièle Thompson as Woman in restaurant, dining with François and Françoise (uncredited)

Caroline Thompson as Girl at the bar at Cook da Books concert (uncredited)

Jacques Chancel as Self, at “La Coupole” (uncredited)

Élie Chouraqui as Claude Barrac, at the restaurant talking to Françoise (uncredited)

Xavier Gélin as Gilles, Françoise's work colleague (uncredited)

Olivier Pourcel as Lucas, Pénélope and Samantha's little brother (uncredited)

Henri Labussière as Neighbor of Mathieu (uncredited)

Sandrine Bonnaire as High school student (silhouette) (uncredited)