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.