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

Casino Director

Marcel Hillaire

Duc di Salins

John Beradino

Chief of Detectives

Bess Flowers

Lady at Casino Party (uncredited)

Ida Augustian

Claire (uncredited)

Frank Baker

Casino Patron (uncredited)

Alex Ball

Guest at Ball (uncredited)

Herman Belmonte

Guest at Ball (uncredited)

Eugene Borden

Customs Inspector (uncredited)

Chet Brandenburg

Club Patron (uncredited)

Alan Caillou

Gerald Halsey (uncredited)

Peter Camlin

Bartender (uncredited)

Steve Carruthers

Guest at Ball (uncredited)

Jack Chefe

Ball Dance Participant (uncredited)

Oliver Cross

Guest at Ball (uncredited)

Marcel De La Brosse

French Waiter (uncredited)

Jack Deery

Casino Patron (uncredited)

Marga Ann Deighton

Governor's Wife (uncredited)

Jean Del Val

Roulette Croupier (uncredited)

George DeNormand

Guest at Ball (uncredited)

Adolph Faylauer

Casino Patron (uncredited)

George Ford

Casino Patron (uncredited)

Kenneth Gibson

Casino Patron (uncredited)

James Gonzalez

Guest at Ball (uncredited)

Herschel Graham

Casino Patron (uncredited)

Sam Harris

Guest at Ball (uncredited)

Lars Hensen

(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)