James Mason
Ulysses Diello
Danielle Darrieux
Condesa Anna Staviska
Michael Rennie
Colin Travers
Walter Hampden
Sir Frederic Taylor
Oskar Karlweis
L. C. Moyzisch
Herbert Berghof
Col. von Richter
John Wengraf
Count Franz Von Papen
Roger Plowden
Keith Macfadden
Diane Adrian
Singer on French Record (voice)
Stuart Hall
British Military Attaché (uncredited)