Humphrey Bogart in a cast list at the trailer's end. Robinson's role is evocative of Duke Mantee in "The Petrified Forest" (1936), a Bogart leading man breakthrough the studio had originally earmarked for Robinson. The enormous success of "Casablanca" redefined Bogart's career. For the first time, Bogart could be cast successfully as both a tough, strong man and vulnerable love interest. Despite his elevated standing, he did not yet have a contractual right of script refusal. When he got weak scripts he simply dug in his heels and locked horns again with the front office, as he did on the film "Conflict"
The Petrified Forest Enemy #1" by J. Edgar Hoover, and in 1934 was ambushed and gunned down in spectacular fashion by FBI agents. Bogart, who won the stage role in part because of his physical resemblance to Dillinger, studied film footage of the gangster and mimicked some of his mannerisms in his portrayal. For the film, Warner Brothers intended to cast the more bankable Edward G. Robinson as Duke; but Howard, whose contract gave him final script control, informed the studio that he would not appear in the movie version without Bogart as his co-star. The film made Bogart a star, and he