Classe tous risques

Classe tous risques, which was first released in the United States as The Big Risk, is a 1960 French-Italian gangster film directed by Claude Sautet and starring Lino Ventura, Jean-Paul Belmondo and Sandra Milo. An adaptation of the novel of the same name by José Giovanni, who collaborated with Sautet and Pascal Jardin on the screenplay, the film tells the story of a French mobster on the run with his family, who returns to Paris with help from a new criminal acquaintance and confronts the members of his old gang.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.