All Cast
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
Ben Astar
Siebert
Roger Plowden
Keith Macfadden
Diane Adrian
Singer on French Record (voice)
Patrick Whyte
Code Clerk
Hanna Axmann-Rezzori
David Bauer
Lawrence Dobkin
Martín Garralaga
Lumsden Hare
Richard Loo
Lester Matthews
Keith McConnell
Frank McLure
Charles Meakin
Alberto Morin
Nestor Paiva
Michael Pate
Konstantin Shayne
Ivan Triesault
Otto Waldis
Alfred Zeisler