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