The future of Marguerite, a brilliant student in Mathematics at the prestigious Ecole Normale Supérieure, seems all planned out. The only woman from her year, Marguerite is finishing a thesis she has to present to an audience of researchers. On the big day, a mistake shakes all her certainties and all her foundations collapse.
| Actor | Role |
|---|---|
 Ella RumpfMarguerite | Marguerite |
 Julien FrisonLucas Savelli | Lucas Savelli |
 Jean-Pierre DarroussinLaurent Werner | Laurent Werner |
 Sonia BonnyNoa | Noa |
 Clotilde CourauSuzanne | Suzanne |
 Édouard SulpiceA student | A student |
 Idir AzougliYanis | Yanis |
 Xiaoxing ChengM. Kong | M. Kong |
 Camille de SabletLa formatrice | La formatrice |
| KKarl Ruben NoelLe danseur | Le danseur |
 Ava BayaLa petite amie du danseur | La petite amie du danseur |
| GGautier BoxebeldLe manager | Le manager |
| EEsdras RegisteLe collègue | Le collègue |
 Leïla MuseJournalist | Journalist |
| DDominique RatonnatProfessor | Professor |
| PPakirathan SulakshanLe mathématicien | Le mathématicien |
 Tien ShuéLe patron du restaurant | Le patron du restaurant |
 Yun-Ping HeAdversaire mah-jong | Adversaire mah-jong |
| FFang ChenAdversaire mah-jong | Adversaire mah-jong |
| DDavid HatteryMathématicien anglophone | Mathématicien anglophone |
| DDaniel WolfMathématicien anglophone | Mathématicien anglophone |
 Pierre BanderetUn mathématicien à Lausanne | Un mathématicien à Lausanne |
| PPaul Kai TeAdversaire mah-jong | Adversaire mah-jong |