At the height of his Hollywood career, Humphrey Bogart played the ruthless main villain of Conflict, an underappreciated gem. Known primarily for his work in The Maltese Falcon and Casablanca, the actor made a name for himself as the male lead in a long list of popular films. For that reason, a large number of Humphrey Bogart's best movies see him take on heroic roles, even if some can be somewhat morally dubious. However, Bogart was no stranger to villainous roles, especially since he spent several years of his life portraying criminals in forgettable 1930s gangster movies.

But in the 1940s though, this was a phase in the actor's career that he had largely moved on from. At this point, he was one of the industry's top stars and a favorite of Warner Bros. This decade is when Bogart made To Have and Have Not, Casablanca, The Maltese Falcon, The Treasure of the Sierra Madre,...