Several of the center instructors are played by real life ones.
Emmanuelle Bercot drew her inspiration from the experience of her uncle who used to be in charge of a youth rehabilitation center for young people in conflict with the law in Brittany.
Rod Paradot was discovered by one of the casting directors in a technical college where he was preparing for a NVQ in joinery.
Opening film at the 68th Cannes Film Festival in 2015.