François Beretton
Françoise Beretton
Victoire Beretton, known as “Vic”
Poupette, François' grandmother, Vic's great-grandmother
Philippe Berthier
Félix Maréchal
Mathieu
Pénélope Fontanet
Samantha Fontanet, Penelope's younger sister
Étienne, François' dentist friend
Stéphane
Arnaud
Reddo
Raoul
Joëlle, who has to take her swimming test without knowing how to swim
Géraldine, with dental braces
Jean-Pierre
Caroline
Lydia, Vic's rival
Mrs. Fontanet, mother of Pénélope
Professor Portal, in Lyon
Catherine, Philippe's ex
Owner of “Studio 27” lent for Mathieu’s Party
Doctor Colbert, president of the jury, defense of François
Serge, waiter at “La Coupole”
Mrs. Monnet, Vic's parents' "secret agent"
Taxi driver (“no smoking”)
Cécile, at the restaurant, sitting next to Félix
Cécile's friend at the restaurant, sitting opposite Félix
Adrienne
Lady who takes offense at the Mozart concert in Salzburg
Researcher in the lab with François
Thérèse, trainee “mouse” who works with François
Nurse at the hospital
Zoé
Self, at the recording studio for Poupette
French Teacher (uncredited)
Samantha's little buddy
Felix's friend
Shy customer
Bartender at the “Cook da Books” concert
Fredo, Philippe's friend
Marc
Cop controlling Vic as a "prostitute" (uncredited)
Cop controlling Vic as a "prostitute" (uncredited)
Woman in restaurant, dining with François and Françoise (uncredited)
Girl at the bar at Cook da Books concert (uncredited)
Self, at “La Coupole” (uncredited)
Claude Barrac, at the restaurant talking to Françoise (uncredited)
Gilles, Françoise's work colleague (uncredited)
Lucas, Pénélope and Samantha's little brother (uncredited)
Neighbor of Mathieu (uncredited)
High school student (silhouette) (uncredited)