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)

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)