Danièle Thompson Director, Screenwriter Karin Viard Marie-Laurence Actor Dany Boon Piotr Actor Marina Foïs Mélanie Actor Patrick Bruel Alain Actor Emmanuelle Seigner Sarah Actor Christopher Thompson Lucas Actor, Screenwriter Marina Hands Juliette Actor Patrick Chesnais Erwann Actor Blanca Li Manuela Actor Laurent Stocker Jean-Louis Actor Pierre Arditi Henri Actor Christine Gozlan Producer David Poirot-Gozlan Executive Producer Alain Terzian Producer Nicola Piovani Original Music Jean-Marc Fabre Cinematographer Sylvie Landra Film Editing Constance Demontoy Casting