Le Samouraï is a 1967 neo-noir crime thriller film written and directed by Jean-Pierre Melville and starring Alain Delon, François Périer, Nathalie Delon, and Cathy Rosier. A Franco-Italian production, it depicts the intersecting paths of a professional hitman (Delon) trying to find out who hired him for a job and then tried to have him killed, and the Parisian commissaire (Périer) trying to catch him. imdb.com