Edward G. Robinson

Theo Wilkins

Rod Steiger

Paul Mason

Joan Collins

Melanie

Eli Wallach

Poncho

Alexander Scourby

Raymond Le May

Michael Dante

Louis Antonizzi

Berry Kroeger

Hugo Baumer

Sebastian Cabot

Director of Casino

Marcel Hillaire

Duc di Salins

John Beradino

Chief of Detectives

Bess Flowers

Lady at Casino Party

Ida Augustian

Claire

Frank Baker

Casino Patron

Alex Ball

Guest at Ball

Herman Belmonte

Guest at Ball

Eugene Borden

Customs Inspector

Chet Brandenburg

Club Patron

Alan Caillou

Doctor Gerald Halsey

Peter Camlin

Bartender

Steve Carruthers

Guest at Ball

Jack Chefe

Ball Dance Participant

Oliver Cross

Guest at Ball

Marcel De La Brosse

French Waiter

Jack Deery

Casino Patron

Marga Ann Deighton

Governor's Wife

Jean Del Val

Roulette Croupier

George DeNormand

Guest at Ball

Adolph Faylauer

Casino Patron

George Ford

Casino Patron

Kenneth Gibson

Casino Patron

James Gonzalez

Guest at Ball

Herschel Graham

Casino Patron

Sam Harris

Guest at Ball

Lars Hensen

Minor Role (uncredited)

Shep Houghton

Casino Patron (uncredited)

Jonathan Kidd

Seymour (uncredited)

Joseph La Cava

Croupier (uncredited)

Donald Lawton

Henri (uncredited)

Eddie Le Baron

Chemin de fer Dealer (uncredited)

Alphonse Martell

Governor (uncredited)

Luis Mata Jr.

Sandy (uncredited)

Louis Mercier

Casino Attendant (uncredited)

Harold Miller

Casino Patron (uncredited)

King Mojave

Guest at Ball (uncredited)

Forbes Murray

Guest at Ball (uncredited)

George Nardelli

Cellar Club Manager (uncredited)

Monty O'Grady

Casino Patron (uncredited)

Andre Philippe

Page (uncredited)

Francis Ravel

Casino Attendant (uncredited)

Tony Regan

Floorman (uncredited)

Leoda Richards

Casino Patron (uncredited)

Joseph Romantini

Barkeep (uncredited)

Jerry Rush

Casino Patron (uncredited)

Cosmo Sardo

Casino Stickman (uncredited)

Jeffrey Sayre

Croupier (uncredited)

Bernard Sell

Casino Patron (uncredited)

Hal Taggart

Casino Patron (uncredited)