Director Arnaud Desplechin (C) together with actresses Lea Seydoux (R) and Sara Forestier pose during a photocall for "Oh Mercy! (Roubaix, une lumiere)" at the 72nd Cannes Film Festival in Cannes, France, May 23, 2019. "Oh Mercy! (Roubaix, une Lumiere)" will compete for the Palme d'Or with 20 other films. (Xinhua/Gao Jing)