Michael Sullivan
Michael Sullivan, Jr.
John Rooney
Harlen Maguire
Connor Rooney
Frank Nitti
Annie Sullivan
Peter Sullivan
Alexander Rance
Finn McGovern
Jack Kelly
Frank the Bouncer
Calvino
Tenement Murderer
Father Callaway
Motel Manager
Nitti's Henchman
Ruby the Waitress
Betty the Waitress
Prostitute
Crime Scene Policeman
Boy Michael Fights
Rooney's Business Associate
Rooney's Henchman
Drug Store Owner
Michael's Teacher
Aunt Sarah
Mr. McDougal
Farmer Virginia
Farmer Bill
Al Capone (uncredited)
Finn McGovern's Henchman