The Big Picture Charles Bronson was an immensely popular American movie star, beginning his career as an actor in the 1950s before achieving significant fame in the 1960s. He was most celebrated for his tough guy persona, his stoic characters who tended to speak more with their actions than their words, and his unique physicality on-screen. Thanks to his attributes as an actor, he often shined the brightest in genres that were typically thought of as being masculine.
Charles Bronson further stands out in the final act, as his character's used principally to get both himself and Major Reisman within the chateau they infiltrate, thanks to his ability to speak German. The scenes of him speaking German as best he can are tense and even a little funny, likely influencing the way Brad Pitt's character speak limited Italian while undercover at a German movie premiere in Quentin Tarantino's Inglourious Basterds.
He brought a similar dynamic to his role in 1960's The Magnificent Seven, which was an action-packed Western that also centered on the formation of a team that'd be able to handle an intense physical mission. That film was a remake of Seven Samurai, which was a samurai movie about defending a town from bandits, as opposed to a Western about more or less the same thing.