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)
