| Frédéric Pierrot | Dr Philippe Dayan [SS] | |
| Mélanie Thierry | Ariane, the surgeon [SS] | |
| Céleste Brunnquell | Camille, the young injured swimmer [SS] | |
| Clémence Poésy | Leonora, Damien's wife [SS] | |
| Pio Marmaï | Damien, Leonora's husband [SS] | |
| Carole Bouquet | Esther, Philippe's friend and comptroller [SS] | |
| Reda Kateb | Adel, policeman [SS] | |
| Elsa Lepoivre | Charlotte Dayan, Philippe's wife [SSR] | |
| Milo Machado Graner | Adam Dayan, the son of Philip [SSR] | |
| Louise Labèque | Lisa Dayan, Philippe's daughter [SSR] | |
| Arnaud Pépin | Nicolas, Camille's swimming coach [SSR] | |
| Damien Zanoly | One patient [SSR] | |
| Altynay Tuganbek | The Dayans' cleaning lady [SSR] | |
| Sophie Cattani | Camille's mother [SSR] | |
| Djemel Barek | Mohammed Chibane, Adel's father... [SSR] | Tayfun Bademsoy |
| Juliette Duret | Adel's wife [SSR] | |
| Bryan Polach | A friend of Adel's [SSR] | |
| Nathan Dellemme | A friend of Adel's [SSR] | |
| Vincent Deniard | A friend of Adel's [SSR] | |
| Jehan Renard | A friend of Adel's [SSR] | |
| Pascal Demolon | Camille's father [SSR] | |
