Obsada:

• 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
• Nick Borgani Capone Board Member
• Bob Brandon Capone Board Member
• Mary Grace Canfield Landlady Mrs. Doody
• Russ Conway Interrogator
• Jack Del Rio Capone Board Member
• Paul Frees Narrator
• Ron Gans Chapman
• Michele Guarini Patsy Lolordo
• Phil Haran
• Jonathan Haze Gangster dressed as a cop
• Betsy Jones-Moreland Poolside Interviewer
• Richard Krisher Desk Clerk
• Dick Miller Gangster dressed as a cop
• Ernesto Morelli Capone Board Member
• Barboura Morris Jeanette Landsman
• Jack Nicholson Hit Man Gino
• Ken Scott Policeman
• Joan Shawlee Frank's Girlfriend Edna
• Buck Taylor Poolside interviewer 2