Jason Robards
Al Capone
                                    George Segal
Peter Gusenberg
                                    Ralph Meeker
George Clarence 'Bugs' Moran
                                    Jean Hale
Myrtle
                                    Clint Ritchie
Jack McGurn
                                    Frank Silvera
Nick Sorello
                                    Joseph Campanella
Albert Wienshank
                                    Richard Bakalyan
John Scalise
                                    David Canary
Frank Gusenberg
                                    Bruce Dern
Johnny May
                                    Harold J. Stone
Frank Nitti
                                    Kurt Kreuger
James Clark
                                    Paul Richards
Charles Fischetti
                                    Joe Turkel
Jake 'Greasy Thumb' Guzik
                                    Milton Frome
Adam Heyer
Mickey Deems
Reinhold Schwimmer
                                    John Agar
Dion O'Bannion
                                    Celia Lovsky
Josephine Schwimmer
                                    Tom Reese
Ted Newberry
                                    Jan Merlin
Willie Marks
                                    Alexander D'Arcy
Joe Aiello
                                    Reed Hadley
Hymie Weiss
Gus Trikonis
Rio
                                    Charles Dierkop
Salvanti
                                    Tom Signorelli
Bobo Borotto
                                    Rico Cattani
Albert Anselmi
                                    Alex Rocco
Diamond
                                    Leo Gordon
Heitler
                                    Daniel Ades
Angelo Molina (uncredited)
                                    Vincent Barbi
Witness (uncredited)
Laura Barry
Girl (uncredited)
Bob Brandon
Capone Board Member (uncredited)
Mushy Callahan
Hood (uncredited)
                                    Mary Grace Canfield
Mrs. Doody, Landlady (uncredited)
Albert Cavens
Reporter (uncredited)
Bud Cokes
Hood (uncredited)
                                    Russ Conway
Interrogator (uncredited)
Yutta D'Arcy
Gangster Girl (uncredited)
Tony Dante
Commuter (uncredited)
Jack Del Rio
Capone Board Member (uncredited)
George DeNormand
Clerk (uncredited)
                                    Paul Frees
Narrator (voice) (uncredited)
Ron Gans
Chapman (uncredited)
James Gonzalez
Party Guest (uncredited)
Michele Guarini
Patsy Lolordo (uncredited)
Phil Harron
Capone Board Member (uncredited)
                                    Jonathan Haze
Gangster Dressed as a Cop (uncredited)
Lisa Jak
Gangster Girl (uncredited)
                                    Betsy Jones-Moreland
Poolside Interviewer (uncredited)
Richard Krisher
Desk Clerk (uncredited)
William Meader
Tenant (uncredited)
                                    Mary Michael
Gangster Girl (uncredited)
                                    Dick Miller
Gangster Dressed as a Cop (uncredited)
Ernesto Molinari
Capone Board Member (uncredited)
                                    Barboura Morris
Jeanette Landsman (uncredited)
                                    Jack Nicholson
Gino, Hit Man (uncredited)
                                    Ron Nyman
Hood (uncredited)
                                    Monty O'Grady
Party Guest (uncredited)
José Portugal
Mourner (uncredited)
                                    Leoda Richards
Party Guest (uncredited)
Jerry Rush
Party Guest (uncredited)
                                    Jeffrey Sayre
Party Guest (uncredited)
                                    Ken Scott
Policeman (uncredited)
Bernard Sell
Hood (uncredited)
Sammy Shack
Vagrant (uncredited)
                                    Joan Shawlee
Edna, Frank's Girlfriend (uncredited)
                                    Buck Taylor
Poolside Interviewer 2 (uncredited)
                                    Corinna Tsopei
Gangster Girl (uncredited)
Patrick Whyte
Judge at Party (uncredited)
Judith Woodbury
Party Guest (uncredited)
L'Affaire Al Capone
Released
$ 2,175,000