Alexandre Sterling

Mathieu

Sheila O'Connor

Pénélope Fontanet

Alexandra Gonin

Samantha Fontanet, Penelope's younger sister

Daniel Russo

Étienne, François' dentist friend

Jean-Philippe Léonard

Stéphane

Laurent N'Diaye

Arnaud

Philippe Kelly

Reddo

Alain Beigel

Raoul

Laetitia Gabrielli

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

Frédérique Pressmann

Géraldine, with dental braces

Christopher Beaunay

Jean-Pierre

Laurence Gigon

Caroline

Nathalie Riqué

Lydia, Vic's rival

Claudia Morin

Mrs. Fontanet, mother of Pénélope

Jean Leuvrais

Professor Portal, in Lyon

Zabou Breitman

Catherine, Philippe's ex

Marie Bunel

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

Robert Le Béal

Doctor Colbert, president of the jury, defense of François

Robert Dalban

Serge, waiter at “La Coupole”

Janine Souchon

Mrs. Monnet, Vic's parents' "secret agent"

Michel Bonnet

Taxi driver (“no smoking”)

Gaëlle Legrand

Cécile, at the restaurant, sitting next to Félix

Patricia Millardet

Cécile's friend at the restaurant, sitting opposite Félix

Annette Poivre

Adrienne

Lucienne Legrand

Lady who takes offense at the Mozart concert in Salzburg

Mathieu Rivolier

Researcher in the lab with François

Catherine Griffoni

Thérèse, trainee “mouse” who works with François

Hélène Hily

Nurse at the hospital

Eva Harling

Zoé

Vladimir Cosma

Self, at the recording studio for Poupette

Michel Derain

French Teacher (uncredited)

Francis Lemaire

Samantha's little buddy

Dominique Bauguil

Felix's friend

Gérard Cuvier

Shy customer

Jérôme Nobécourt

Bartender at the “Cook da Books” concert

Philippe Kelly

Fredo, Philippe's friend

Jacques Ferrière

Valérie Marlière

Robert E. Weill

Anouk Vidal

Virginie Nègre

Jean-Jacques Merle

Marie-Laurence

Frédéric Lorgeoux

Olivier Gins

Marc

François Demarle

Philippe Aussant

Jean-Louis Airola

Cop controlling Vic as a "prostitute" (uncredited)

Michel Berreur

Cop controlling Vic as a "prostitute" (uncredited)

Danièle Thompson

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

Caroline Thompson

Girl at the bar at Cook da Books concert (uncredited)

Jacques Chancel

Self, at “La Coupole” (uncredited)

Élie Chouraqui

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

Xavier Gélin

Gilles, Françoise's work colleague (uncredited)

Olivier Pourcel

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

Henri Labussière

Neighbor of Mathieu (uncredited)

Sandrine Bonnaire

High school student (silhouette) (uncredited)