The Public Enemy (1931) is a classic gangster film directed by William A. Wellman and starring James Cagney as Tom Powers, a young man who rises to the top of the criminal underworld. The film follows Tom's journey as he and his gang of hoodlums
From Wikipedia
The Public Enemy is a 1931 American pre-Code gangster film produced and distributed by Warner Bros. Pictures. The film was directed by William A. Wellman, and starring James Cagney, Jean Harlow, Edward Woods, Donald Cook and Joan Blondell. The film relates the story of a young man's rise in the criminal underworld in Prohibition-era urban America.