| Natacha Lindinger | Sam [SS] | |
| Fred Testot | Xavier Bordat [SS] | |
| Fanny Gilles | Véronique Leroy [SSR] | |
| Charlotte Gaccio | Aurélie Schneck [SSR] | |
| Issa Doumbia | Nicolas N’Dollo [SSR] | |
| Thomas Jouannet | Antoine [SSR] | |
| Roxane Bret | Anna [SSR] | |
| Valentin Blys | Hugo dit « Boudu » [SSR] | |
| Kevin Dias | Alex [SSR] | |
| Alika Del Sol | Malika Vidal [SSR] | |
| Arthur Choisnet | Tom Ramos [SSR] | |
| Adama Niane | Issa [SSR] | |
| François Berléand | Vladimir Nowak, Sam's father [SSR] | |
| Bruno Wolkowitch | Olivier, Sam's brother [SSR] | |
| Sophie Mounicot | Sonia, Sam's sister [SSR] | |
| Rosa Bursztein | Marion [SSR] | |
| Shirley Bousquet | Isabelle Florentin [SSR] | |
| Jean-Charles Chagachbanian | Père d'Alex et Anna [SSR] | |
| Grégoire Paturel | Antoine adolescent [SR] | |
| Séverine Berthelot | Assistant to the Mayor [BP] | |
| Sonia Hell | La Bikeuse [BP] | |
