Rod Steiger
Al Capone
Rod Steiger
Al Capone
Fay Spain
Maureen Flannery
James Gregory
Schaefler (narrator)
Martin Balsam
Mac Keeley, reporter
Nehemiah Persoff
Johnny Torrio
Murvyn Vye
George 'Bugs' Moran
Robert Gist
Dion O'Banion
Lewis Charles
Earl Weiss
Joe De Santis
Big Jim Colosimo
Sandy Kenyon
Bones Corelli
Raymond Bailey
Lawyer Brancato
Al Ruscio
Tony Genaro
Louis Quinn
Joe Lorenzo
Ron Soble
John Scalisi
Steve Gravers
Albert Anselmi
Raikin Ben-Ari
Ben Hoffman
Fred Aldrich
Funeral Spectator
Cindy Ames
Nurse
James Bacon
Reporter
Paul Bradley
Benefit Guest
Ralph Brooks
Convict in Yard at Alcatraz
Allen Jaffe
Bodyguard
Clegg Hoyt
Lefty
Paul Bryar
Police Inspector (uncredited)
Larry Chance
Vincent (uncredited)
Dick Cherney
Moran Associate (uncredited)
Mason Curry
Tailor (uncredited)
Russell Custer
Funeral Spectator (uncredited)
Rudy Doucette
Hood (uncredited)
Sol Gorss
Capone Hood at Polling Place (uncredited)
Mauritz Hugo
Hood (uncredited)
Forbes Murray
Pallbearer at Colosimo's Funeral (uncredited)
Dan Riss
Voice of Radio Announcer (uncredited)
Charles Sherlock
Reporter (uncredited)
Fred Sherman
Storekeeper (uncredited)
Richard Wilson
Director
Walter Hannemann
Editor
Lucien Ballard
Director of Photography
Malvin Wald
Writer
Henry F. Greenberg
Writer
John H. Burrows
Producer
Leonard J. Ackerman
Producer
David Raksin
Original Music Composer
Lloyd Garnell
Gaffer