'' Oh Mercy ! '' ( ) is a 2019 French crime drama film directed by Arnaud Desplechin . The film was inspired by the 2008 TV documentary '' Roubaix , commissariat central '' , directed by Mosco Boucault . It stars Roschdy Zem , Léa Seydoux , Sara Forestier and Antoine Reinartz . It was selected to compete for the Palme d'Or at the 2019 Cannes Film Festival
2019 Cannes Film Festival
2019 Cannes Film Festival
Oh Mercy!