Claude Brasseur
Role: François Beretton
Brigitte Fossey
Role: Françoise Beretton
Sophie Marceau
Role: Victoire Beretton, known as “Vic”
Denise Grey
Role: Poupette, François' grandmother, Vic's great-grandmother
Pierre Cosso
Role: Philippe Berthier
Lambert Wilson
Role: Félix Maréchal
Alexandre Sterling
Role: Mathieu
Sheila O'Connor
Role: Pénélope Fontanet
Alexandra Gonin
Role: Samantha Fontanet, Penelope's younger sister
Daniel Russo
Role: Étienne, François' dentist friend
Jean-Philippe Léonard
Role: Stéphane
Laurent N'Diaye
Role: Arnaud
Philippe Kelly
Role: Reddo
Laetitia Gabrielli
Role: Joëlle, who has to take her swimming test without knowing how to swim
Frédérique Pressmann
Role: Géraldine, with dental braces
Christopher Beaunay
Role: Jean-Pierre
Laurence Gigon
Role: Caroline
Nathalie Riqué
Role: Lydia, Vic's rival
Claudia Morin
Role: Mrs. Fontanet, mother of Pénélope
Jean Leuvrais
Role: Professor Portal, in Lyon
Zabou Breitman
Role: Catherine, Philippe's ex
Marie Bunel
Role: Owner of “Studio 27” lent for Mathieu’s Party
Robert Le Béal
Role: Doctor Colbert, president of the jury, defense of François
Robert Dalban
Role: Serge, waiter at “La Coupole”
Janine Souchon
Role: Mrs. Monnet, Vic's parents' "secret agent"
Michel Bonnet
Role: Taxi driver (“no smoking”)
Gaëlle Legrand
Role: Cécile, at the restaurant, sitting next to Félix
Patricia Millardet
Role: Cécile's friend at the restaurant, sitting opposite Félix
Annette Poivre
Role: Adrienne
Lucienne Legrand
Role: Lady who takes offense at the Mozart concert in Salzburg
Mathieu Rivolier
Role: Researcher in the lab with François
Catherine Griffoni
Role: Thérèse, trainee “mouse” who works with François
Hélène Hily
Role: Nurse at the hospital
Vladimir Cosma
Role: Self, at the recording studio for Poupette
Michel Derain
Role: French Teacher (uncredited)
Francis Lemaire
Role: Samantha's little buddy
Dominique Bauguil
Role: Felix's friend
Gérard Cuvier
Role: Shy customer
Jérôme Nobécourt
Role: Bartender at the “Cook da Books” concert
Philippe Kelly
Role: Fredo, Philippe's friend
Jean-Louis Airola
Role: Cop controlling Vic as a "prostitute" (uncredited)
Michel Berreur
Role: Cop controlling Vic as a "prostitute" (uncredited)
Danièle Thompson
Role: Woman in restaurant, dining with François and Françoise (uncredited)
Caroline Thompson
Role: Girl at the bar at Cook da Books concert (uncredited)
Jacques Chancel
Role: Self, at “La Coupole” (uncredited)
Élie Chouraqui
Role: Claude Barrac, at the restaurant talking to Françoise (uncredited)
Xavier Gélin
Role: Gilles, Françoise's work colleague (uncredited)
Olivier Pourcel
Role: Lucas, Pénélope and Samantha's little brother (uncredited)
Henri Labussière
Role: Neighbor of Mathieu (uncredited)
Sandrine Bonnaire
Role: High school student (silhouette) (uncredited)