Line Renaud as Madeleine

Dany Boon as Charles

Alice Isaaz as Madeleine, jeune

Gwendoline Hamon as Denise

Hadriel Roure as Mathieu jeune

Elie Kaempfen as Matt

Christophe Rossignon as Le Président du tribunal

Jérémie Laheurte as Raymond Haguenot, dit Ray

Julie Delarme as Karine

Thomas Alden as Mathieu (adulte)

Agathe L'Huillier as Standardiste taxi (voice)

Alexandra Mercouroff as Directrice ehpad (voice)

Antonin Carion as Meneur groupe enfants 1944

Arthur Girard as Comédien théâtre

Bertrand Ornano as Comédien théâtre

Carl Laforêt as Automobiliste énervé

Christian Carion as Le notaire

Christian Mupondo as Agent entretien ehpad

Elvire Lestrade as Comédienne théâtre

Frédéric Cherboeuf as Grégoire (voice)

Frederick Malahieude as Doublure Charles

Gilles Salle as Doublure Charles (as Gilles Sallé)

Hadriel Roure as Mathieu enfant

Jacques Courtès as Daniel (voice)

Jérôme Dano as Comédien théâtre

Juliette Steimer as Femme accueil ehpad

Juliette Wiatr as Comédienne théâtre

Léonie Carion as Betty

Marie-Claude Ragon as Doublure Madeleine

Meryl Mourey as La policière

Nadir Legrand as Le banquier

Philippe Beautier as Le policier

Sylvie Audcoeur as Patronne restaurant

Sylvie Valentini as Doublure Madeleine

Tom Hudson as Infirmier ehpad

Vincent Dauphin as Doublure Charles

Romy Milelli as Serveuse restaurant (uncredited)