It may seem a bit odd that at the relatively old age of 31 an actor's first movie would be a major starring role. But like most actors of his era - and most today - James "Jimmy" Cagney started his career on the stage. So by the time he made first movie, Sinner's Holiday, he had already had a reputation where the producers of Broadway's Penny Arcade - which is to Sinner's Holiday what Everyone Came to Rick's was to Casablanca - thought Jimmy would be the right man to play the bad guy.
And for a bit more about Jimmy and his most famous quote - or perhaps his most famous nonquote - just click here.