On screen
Cast
29 credited performers
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
Artwork unavailable
Roger Plowden
Keith Macfadden
Artwork unavailable
Diane Adrian
Singer on French Record (voice)
Artwork unavailable
Patrick Whyte
Code Clerk
Hanna Axmann-Rezzori
Character not listed
David Bauer
Character not listed
Lawrence Dobkin
Character not listed
Martín Garralaga
Character not listed
Lumsden Hare
Character not listed
Richard Loo
Character not listed
Lester Matthews
Character not listed
Artwork unavailable
Keith McConnell
Character not listed
Frank McLure
Character not listed
Charles Meakin
Character not listed
Alberto Morin
Character not listed
Nestor Paiva
Character not listed
Michael Pate
Character not listed
Konstantin Shayne
Character not listed
Ivan Triesault
Character not listed
Otto Waldis
Character not listed
Artwork unavailable
Alfred Zeisler
Character not listed
Artwork unavailable
Stuart Hall
British Military Attaché (uncredited)