Al Capone
Peter Gusenberg
George Clarence 'Bugs' Moran
Myrtle
Jack McGurn
Nick Sorello
Albert Wienshank
John Scalise
Frank Gusenberg
Johnny May
Frank Nitti
James Clark
Charles Fischetti
Jake 'Greasy Thumb' Guzik
Adam Heyer
Reinhold Schwimmer
Dion O'Bannion
Josephine Schwimmer
Ted Newberry
Willie Marks
Joe Aiello
Hymie Weiss
Rio
Salvanti
Bobo Borotto
Albert Anselmi
Diamond
Heitler
Angelo Molina (uncredited)
Witness (uncredited)
Girl (uncredited)
Capone Board Member (uncredited)
Hood (uncredited)
Mrs. Doody, Landlady (uncredited)
Reporter (uncredited)
Hood (uncredited)
Interrogator (uncredited)
Gangster Girl (uncredited)
Commuter (uncredited)
Capone Board Member (uncredited)
Clerk (uncredited)
Narrator (voice) (uncredited)
Chapman (uncredited)
Party Guest (uncredited)
Patsy Lolordo (uncredited)
Capone Board Member (uncredited)
Gangster Dressed as a Cop (uncredited)
Gangster Girl (uncredited)
Poolside Interviewer (uncredited)
Desk Clerk (uncredited)
Tenant (uncredited)
Gangster Girl (uncredited)
Gangster Dressed as a Cop (uncredited)
Capone Board Member (uncredited)
Jeanette Landsman (uncredited)
Gino, Hit Man (uncredited)
Hood (uncredited)
Party Guest (uncredited)
Mourner (uncredited)
Party Guest (uncredited)
Party Guest (uncredited)
Party Guest (uncredited)
Policeman (uncredited)
Hood (uncredited)
Vagrant (uncredited)
Edna, Frank's Girlfriend (uncredited)
Poolside Interviewer 2 (uncredited)
Gangster Girl (uncredited)
Judge at Party (uncredited)
Party Guest (uncredited)