Alfred Hitchcock (Man in Hotel Lobby with Baby (uncredited)),
Paul Newman (Michael Armstrong),
Julie Andrews (Sarah Sherman),
Frank Baker (Party Guest (uncredited)),
Carolyn Conwell (Farmer's Wife),
Ludwig Donath (Gustav Lindt),
Hansjörg Felmy (Heinrich Gerhard),
Gisela Fischer (Dr. Koska),
William Glover (British Correspondent (uncredited)),
Gloria Govrin (Miss Mann),
Arthur Gould-Porter (Freddy),
Mischa Hausserman (Idealistic Young Man (uncredited)),
Lila Kedrova (Countess Kuchinska),
Wolfgang Kieling (Hermann Gromek),
Mort Mills (Farmer),
David Opatoshu (Mr. Jacobi),
Leoda Richards (Woman Backstage (uncredited)),
Norbert Schiller (Professor Gutman (uncredited)),
Günter Strack (Karl Manfred),
Tamara Toumanova (Ballerina)