Al Capone
Maureen Flannery
Schaefler (narrator)
Mac Keeley, reporter
Johnny Torrio
George 'Bugs' Moran
Dion O'Banion
Earl Weiss
Big Jim Colosimo
Bones Corelli
Lawyer Brancato
Tony Genaro
Joe Lorenzo
John Scalisi
Albert Anselmi
Ben Hoffman
Funeral Spectator
Nurse
Reporter
Benefit Guest
Convict in Yard at Alcatraz
Bodyguard
Lefty
Police Inspector (uncredited)
Vincent (uncredited)
Moran Associate (uncredited)
Tailor (uncredited)
Funeral Spectator (uncredited)
Hood (uncredited)
Capone Hood at Polling Place (uncredited)
Hood (uncredited)
Pallbearer at Colosimo's Funeral (uncredited)
Voice of Radio Announcer (uncredited)
Reporter (uncredited)
Storekeeper (uncredited)