Marlon Brando
Freddy Benson
David Niven
Lawrence Jameson
Shirley Jones
Janet Walker
Dody Goodman
Fanny Eubank
Aram Stephan
Andre
Parley Baer
Col. Williams
Marie Windsor
Mrs. Sutton
Rebecca Sand
Miss Trumble
Francine York
Gina
Susanne Cramer
Anna
Danica D'Hondt
Mrs. Knudson (uncredited)
Barbara Bouchet
German Girl (uncredited)
Albert Carrier
Assistant Manager (uncredited)
Eddie Ness
Tuttle (uncredited)
Rolfe Sedan
Waiter (uncredited)
Bernard Sell
Casino Patron (uncredited)
Stephen Soldi
Casino Patron (uncredited)
John Banner
Burgermeister (uncredited)
Bess Flowers
Extra (uncredited)
Jean Del Val
Croupier (uncredited)