James Cagney as Danny O'Hara

Pat O’Brien as Pat O'Hara

Olivia de Havilland as Lucille Jackson

Frank McHugh as Mike O'Hara

Allen Jenkins as Carbarn Hammerschlog

Mary Gordon as Ma O'Hara

J. Farrell MacDonald as Capt. Jackson

Thomas E. Jackson as Doc Mullins (as Thomas Jackson)

Harvey Parry as Joe Delancy (as Harvey Perry)