Watch Man Named Rocca, A (Nommé La Rocca, Un) online

"One of French cinema's many adaptations of a Jose Giovanni novel, directed by Jean Becker (whose father Jacques had previously filmed Giovanni's Le Trou) with the author serving as co-writer, it has his customary atmosphere allied to the kind of slightly minimalist black and white style of French polars of the early 60s that carries it over the rough patches without ever threatening to become a classic"