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
- Stuart Hall British Military Attaché (uncredited)