Paul Newman
Michael Armstrong
Julie Andrews
Sarah Sherman
Lila Kedrova
Countess Kuchinska
Hansjörg Felmy
Heinrich Gerhard
Tamara Toumanova
Ballerina
Ludwig Donath
Gustav Lindt
Wolfgang Kieling
Hermann Gromek
Günter Strack
Karl Manfred
David Opatoshu
Mr. Jacobi
Gisela Fischer
Dr. Koska
Mort Mills
Farmer
Carolyn Conwell
Farmer's Wife
Arthur Gould-Porter
Freddy
Gloria Govrin
Miss Mann
Norbert Schiller
Professor Gutman (uncredited)
Leoda Richards
Woman Backstage (uncredited)
Frank Baker
Party Guest (uncredited)
Alfred Hitchcock
Man in Hotel Lobby with Baby (uncredited)
William Glover
British Correspondent (uncredited)
Mischa Hausserman
Idealistic Young Man (uncredited)
Britt Semand
Magda (uncredited)
William Yetter Sr.
Post Office Patron (uncredited)
Kaaren Verne
Stewardess (uncredited)
Paul Sorensen
Swedish Immigration Officer (uncredited)
Hedley Mattingly
Airline Official (uncredited)
Curt Lowens
VOPO Officer at Roadblock (uncredited)
Horst Ebersberg
East German Interpreter (uncredited)
Dick Cherney
Clerk (uncredited)
Wilhelm von Homburg
Blonde Twin in Bus (uncredited)
Albert Szabo
Herr Albert (uncredited)
Robert Boon
Prof. Winkelmann (uncredited)