Context of Ernest & Celestine, Didier Brunner, Philippe Kauffmann and Vincent Tavier, Stéphan Roelants, Henri Magalon, Arlette Zylberberg, StudioCanal present ; a co-production Les Armateurs, Maybe Movies, StudioCanal, France 3 Cinéma, La Parti, Melusine Productions, RTBF (Television Belge) ; screenplay and dialogue, Daniel Pennac ; a film by Benjamin Renner, Vincent Patar and Stéphane Aubier