Mélissa Boros as Alpha

Tahar Rahim as Amin

Golshifteh Farahani as Maman

Emma Mackey as Infirmière

Finnegan Oldfield as Professeur d'anglais

Louai El Amrousy as Adrien

Ambrine Trigo Ouaked as Alpha 5 ans

Zohra Benbetka as La grand-mère

Fadila Belkebla as Tante Alpha 1

Sofia Nait as Tante Alpha 2

Bahia Badji as Tante Alpha 3

Marc Riso as Benny

Jean-Charles Clichet as Professeur d'EPS

François Rollin as Principal du collège

Driver as Agent de sécurité

Frédéric Bayer Azem as Compagnon professeur d'anglais

Ninon Le Henry as Fille classe / Piscine

Elyna Motte as Fille classe / Piscine

Nina Bouffier as Copine Adrien

Ilyane Badji as Garçon classe

Christophe Perez as Homme défoncé escaliers

Béatrice Michel as Femme âgée salle d'attente hôpital

Dalya Naïm as Réceptionniste auberge 1983

Vincent Pasdermadjian as Réceptionniste auberge 1990

Julien Spitéri as Garçon tatouage

Hillary Mervil as Patiente infirmière pétrifiée

Elaura Louisa as Patiente maman pétrifiée

Katja Gaudard as Danseuse bar punk