Leïla Bekhti as Esther Perez

Jonathan Cohen as Roland Perez (Adult)

Joséphine Japy as Litzie Gozlan

Sylvie Vartan as Sylvie Vartan

Jeanne Balibar as Mrs. Fleury

Lionel Dray as Maklouf Perez

Anne Le Ny as Mrs. Vergepoche

Milo Machado-Graner as Jacques Perez (12-17 years old)

Naïm Naji as Roland Perez (5-7 years old)

Iliana Belkhadra as Nicole Perez (15-20 years old)

Naël Rabia as Edmond Perez (14-19 years old)

Luc Sitbon as Harold (16-17 years old)

Saber Hallout as

Nina Bouffier as Jacqueline Perez (16-21 years old)

Noé Schecroun as Roland Perez (11-13 years old)

Gabriel Hyvernaud as Roland Perez (3-5 years old)

Alice Abraham as Ludivine (18-20 years old)

Valentine Atlan as Mrs. Colette Bentolila

David Ayala as Mr. Foenkinos

Léonard Barbier as Other Assistant

Yaël Dyens as Mrs. Yasmine Fahrat

Bertrand Goncalves as Record seller 2

Jean-Bohémond Leguay as The pianist

Ariane Massenet as Sophie D

Justine Pesin as Secretary

Romy Moukvoz as Lorie (14-15 years old)

Gilbert Coudurier as Producer

Jean-Claude Matthey as Admirer (uncredited)

Gabriel Alves Marques as Richard Perez (9-14 years old)

Gladys Cohen as Mrs. Benayoun

Anna Lebovits as Mrs. Flora Dahan

Haïly Yssembourg Da Cunha as Ludivine (10-11 years old)

Jim Belleé Geffray as Jacqueline Perez (12 years old)

Ayoub Baccar as Jacques Perez (8 Years Old)

Zakeline Varesis as Nicole Perez (11 Years Old)

Nehlen Hachelafi as Richard Perez (5 Years Old)

Eliott Taché-Maréchau as Edmond Perez (10 Years Old)

Astrid Whettnall as Mile Corbeau

Baptiste Carrion-Weiss as Harold (24-28 Years Old)

Christophe Kourotchkine as Doctor Balthany

Sophie Arama as Lorie (22-24 Years Old)

Gerald Cesbron as Mr. Cohen

François Perache as Dr. Hauthier

Franck Mercadal as Dr. Marimon

Loïc Guingand as Médecin de la production

Cédric Moreau as Record Seller 1

Caroline Gay as Psychiatrist

Roland Perez as Headmaster of a school for children performers

Julia Duchaussoy as Sylvie Vartan (Young)

Agnès Afriat as Litzie's Mother

Didier Brice as Oncologist

Yvon Martin as 1st Assistant

Jean-Noël Martin as Prosecutor

Antoine Pinquier as Stage Manager

Zohar Wexler as Swiss Professor

Antoine Venet as Roland (Newborn) 1

Valentin Venet as Roland (Newborn) 2

Léandre Calvagnac as Roland (Newborn) 3

Arséne Calvagnac as Roland (Newborn) 4

Benjamin Gauthier as Hubert Le Forestier

Édouard Michelon as Doctor 1

Pascal Voglimacci as Doctor 2

Nicolas Dangoise as Doctor 3

Yanis Ben Seghaier Cromier as Harold (8 Years Old)

Capucine Guimet as Lorie (6 Years Old)

Philippe Dusseau as Jacques Chirac

Ary Szenkier as Rabin Ellyahou

Victor Barbier as Law Student

Laurent Gerra as Johnny Hallyday (voice)

Laurent Bariteau as Conservatory Professor

Liam Hinfray as Roland (5-9 Years Old) (uncredited)

Joe Dassin as Self (archive footage) (uncredited)

Johnny Hallyday as Self (archive footage) (uncredited)