Guillaume Canet

Julien Janvier

Marion Cotillard

Sophie Kowalsky

Thibault Verhaeghe

8-year-old Julien

Joséphine Lebas-Joly

8-year-old-Sophie

Emmanuelle Grönvold

Julien's Mother

Gérard Watkins

Julien's Father

Julia Faure

Sophie's Sister

Gilles Lellouche

Sergei Nimov Nimovitch

Élodie Navarre

Aurélie Miller

Frédéric Geerts

Igor

Jean-Michel Flagothier

Dorzac

Nathalie Nattier

80-year-old Sophie

Robert Willar

80-year-old Julien

Philippe Drecq

School Principal

Luc Bromagne

Priest

Stéphane Auberghen

Proctor

Christophe Rossignon

Doctor #2

Nathalie Philip

Julien's Nurse

Isabelle Goethals Carre

Senior Center Director

Mathilde Verkinderen

8-year-old Charlotte

Melchior Lebeaut

4-year-old Julien

Emmanuel LeMire

Doctor #1

Michel Angely

Bus Driver

Cedric Lombard

Library Student

Ingrid Juveneton

Sylvie