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)