Ray Danton
Jack 'Legs' Diamond
Karen Steele
Alice Scott
Elaine Stewart
Monica Drake
Jesse White
Leo 'Butcher' Bremer
Simon Oakland
Lt. Moody
Robert Lowery
Arnold Rothstein
Judson Pratt
Fats Walsh
Warren Oates
Eddie Diamond
Frank De Kova
Syndicate Chairman
Gordon Jones
Police Sgt. Joe Cassidy
Joseph Ruskin
Matt Moran
Dyan Cannon
Dixie
Herb Armstrong
Cherry Nose Gioe (uncredited)
Al Capone
Himself (archive footage) (uncredited)
Paul Comi
Paul (uncredited)
Rudy Germane
Guard (uncredited)
Ralf Harolde
Doctor (uncredited)
Robert "Buzz" Henry
Bodyguard (uncredited)
Bob Herron
Thug (uncredited)
Judd Holdren
Haberdashery Clerk (uncredited)
Roy Jenson
Bodyguard (uncredited)
Kenner G. Kemp
Club Patron (uncredited)
Carey Loftin
Thug (uncredited)
Ralph Manza
Bookmaker (uncredited)
Sid Melton
Little Augie (uncredited)
Frances Mercer
Flo - Brothel Madam (uncredited)
Dorothy Neumann
Woman Outside Movie Theatre (uncredited)
Ron Nyman
Dance Contestant (uncredited)
Monty O'Grady
Club Patron (uncredited)
Cosmo Sardo
Syndicate Man at Meeting (uncredited)
Hazel Shermet
Mrs. Cassidy (uncredited)
Carl Sklover
Croupier (uncredited)
John Gabriel
Gunman (uncredited)