Mélanie Laurent

Élise 'Lili' Tellier

Kad Merad

Paul Tellier

Isabelle Renauld

Isabelle Tellier

Julien Boisselier

Thomas aka 'Grenouille'

Aïssa Maïga

Léa

Simon Buret

Antoine, Loïc's friend

Christophe Rossignon

Hallway teacher

Thibault de Montalembert

Psychiatrist

Éric Herson-Macarel

First teacher

Emmanuel Courcol

Doctor from Vigneux

Martine Chevallier

First nurse

Jean-Yves Gautier

Chief doctor

Nathalie Besançon

Second nurse

Thierry Lavat

Second teacher

Mickael Trodoux

Loïc

Flore Vannier-Moreau

First Shopi cashier

Blandine Pélissier

Saint-André hotel receptionist

Stéphanie Cabon

Intern

Emmanuelle Dupuy

Medical secretary

Alain Cauchi

Manager of the Shopi

Yoann Denaive

Thomas' brother

Charlotte Clamens

Thomas' mother

Laurent Claret

Thomas' father

Stéphanie Pasterkamp

Young woman at the party

Nicolas Bridet

Balcony guy

Thierry Nenez

Monopole hotel receptionist

Pierre-Benoist Varoclier

Eurolines driver

Pierre Guimard

Saint-Aubin singer

Eric Renault

Second homeless person

Gérard Cherqui

Nicolas Fine

Françoise Guiol

Francia Seguy

Christophe Vienne

Aurélie Vérillon

Maximilien Poullein

Young trendy (uncredited)

Patrick Sébastien

Self (archive footage) (uncredited)