A Parisian couple decides to sell an unsanitary basement in their building. A very ordinary, nondescript man, Mr. Fonzic, shows up to buy it. Nothing unusual there, until the man moves into the cellar and makes it his permanent residence. The couple tries desperately to cancel the sale but to no avail. Worse, Mr. Fonzic becomes a threat to their family as he befriends their teenage daughter on whom he seems to exert a perverted influence.
Genres:
François Cluzet as Jacques Fonzic
Bérénice Bejo as Hélène Sandberg
Jérémie Renier as Simon Sandberg
Jonathan Zaccaï as David Sandberg
Martine Chevallier as Maître Rivière
Jack Claudany as Le proviseur
Antoine Levannier as Amos
Victoria Eber as Justine
Denise Chalem as Nelly Sandberg
Patrick Descamps as Grand-père Gérard
Ambroise James Di Maggio as Jérémie Sandberg
Sacha Attal as Olivier Sandberg
Sharif Andoura as Luka Steiner
François-Eric Gendron as Maître Massard
Laëtitia Eïdo as Maître Carole Vasquez
Patrick d'Assumçao as Monsieur Leroux
Éric Génovèse as Monsieur Martini
Candice Bouchet as Noémie Bouvier
Jean-Claude Frissung as Monsieur Lefèvre
Nicole Gueden as Madame Lefèvre
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