The Upper Hand
Du Rififi à Paname (original)
In Paris, a gold smuggler is at war with other local gangsters who want piece of the action. Then the mob shows up and makes things worse. And an undercover US Treasury Department agent is trying to infiltrate the smuggle business.
Starring Jean Gabin, Gert Fröbe, George Raft, Claudio Brook, Nadja Tiller, Marcel Bozzuffi, Mireille Darc, Claude Brasseur, Daniel Ceccaldi, Jean-Claude Bercq
Watch "The Upper Hand" on Kanopy released in 1966. It's a crime and drama movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Kanopy
