Simple is 26 but he has the intellectual abilities of a three year old. Simple is handicapped. Since the death of his father, he lives with his mother and his younger brother Kléber. But when their mother dies in a car accident, the brothers are left to their own devices. Kléber is going to take his big brother under his wing, but for the two young brothers life is not a chimera.
| Actor | Role |
|---|---|
 Bastien BouillonSimple | Simple |
 Julien DrionKléber | Kléber |
 Michel AumontVilledieu | Villedieu |
 Valentine CatzéflisAria | Aria |
 Esteban Carvajal-AlegriaCorentin | Corentin |
 François CivilEnzo | Enzo |
 Jérémie ElkaïmEmmanuel | Emmanuel |
 Morgane CabotBéa | Béa |
| MMartine AmisseMme Villededieu | Mme Villededieu |
 Shemss AudatZahra | Zahra |
| FFrancis AzemaPère Corentin | Père Corentin |
| LLucille BarbierServeuse | Serveuse |
 Camille BarderyLa responsable de l'agence | La responsable de l'agence |
 Didier BriceLe directeur de l'école | Le directeur de l'école |
| MMartine Costes-SouyrisLa mère de Kleber et Simple | La mère de Kleber et Simple |
 Béatrice de StaëlMme Bardoux | Mme Bardoux |
| YYingué Véra DiopProstituée | Prostituée |
 Patricia KarimLa grande tante | La grande tante |
| JJulie KpéréLa secrétaire | La secrétaire |