Melvil Poupaud as Alexandre Guérin

Denis Ménochet as François Debord

Swann Arlaud as Emmanuel Thomassin

Éric Caravaca as Gilles Perret

François Marthouret as Cardinal Philippe Barbarin

Bernard Verley as Father Bernard Preynat

Martine Erhel as Régine Maire

Josiane Balasko as Irène, Emmanuel's Mother

Hélène Vincent as Odile Debord, François' Mother

François Chattot as Pierre Debord, François' Father

Frédéric Pierrot as Captain Courteau

Aurélia Petit as Marie Guérin, Alexandre's Wife

Julie Duclos as Aline Debord, François' Wife

Jeanne Rosa as Dominique Perret, Gilles' Wife

Amélie Daure as Jennifer

Nicolas Bridet as Olivier Itaque

Pierre Lottin as Didier

Fejria Deliba as Francois' Lawyer

Baya Rehaz as Emmanuel's lawyer

Stéphane Brel as Louis Debord, François' Brother

Pauline Ziadé as Sylvie Debord

Martine Schambacher as Suzanne Cremer

Serge Flamenbaum as Maxime Frillon

Christian Sinniger as Emmanuel's Father

Bernadette Le Saché as Nicole

Arnaud Viard as Fabrice

Xavier de Guillebon as Fred

Stanislas Stanic as Luc

Alexandre Steiger as Alain

Vincent Berger as Tristan

Max Libert as Gauthier Guérin, Alexandre's Son

Nicolas Bauwens as Victor Guérin, Alexandre's Son

Timi-Joy Marbot as Gaspard Guérin

Zuri François as Côme Guérin

Zéli Marbot as Lila Guérin

Laurence Roy as Alexandre's Mother

Jacques Lagarde as Alexandre's Father

Patrick Zimmermann as Urologist

Chloé Astor as TV Reporter

Sébastien Pouderoux as Lyon Journalist

David Geselson as Lourdes Journalist

Marie-Bénédicte Cazeneuve as Lourdes Journalist

Fayçal Safi as Courteau's Deputy

Damien Jouillerot as Etienne, Baker

Yves-Marie Bastien as Young Bernard Preynat

Davan Collin as Young Alexandre

Jules Gauzelin as Young François Debord

Noé Richard as Young Emmanuel

Pablo Tessier as Young Louis

Serge Vincent as Religious Leader

Amélie Prévot as Preynat's Lawyer

Lilly Rose Debos as François' Daughter

Sasha Coudurier as François' Daughter

Joan Coudurier as François' Daughter

Krystyna Horko as Marie's Mother

Anthony Bulger as Marie's Father

Aurélien Ziade as Louis' Son

Madeleine Ziade as Louis' Son

Maxence Ziade as Louis' Son

Aloïs Florin de Beaumont as Olivier' Son

Fleur Picolet as Olivier' Son

Juliette Moreaud as Journalist (uncredited)

Sébastien Lozach as Journalist (uncredited)

John Sehil as Passer-by in Montreuil (uncredited)

Philippe Legros as Priest (uncredited)

Denis Simonetta as Man in a Car (uncredited)