Bob Le Flambeur (1956)

Bob le flambeur (1956), directed by Jean-Pierre Melville, follows an aging gambler and thief who plans a meticulously timed casino robbery in Monte Carlo. Blending American film noir influences with French realism, the film focuses on professionalism, fate, and moral codes rather than suspense-driven twists. It is a foundational work in modern heist cinema.

Från IMDB:
After losing big, an aging gambler decides to assemble a team to rob a casino.