"During WWII, the valet to the British Ambassador to Ankara sells British secrets to the Germans while trying to romance a refugee Polish countess."
James Mason
as Ulysses Diello
Danielle Darrieux
as Condesa Anna Staviska
Michael Rennie
as Colin Travers
Walter Hampden
as Sir Frederic Taylor
Oskar Karlweis
as L. C. Moyzisch
Herbert Berghof
as Col. von Richter
John Wengraf
as Count Franz Von Papen
Ben Astar
as Siebert
Roger Plowden
as Keith Macfadden
Diane Adrian
as Singer on French Record (voice)
Patrick Whyte
as Code Clerk
Hanna Axmann-Rezzori
as
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
as British Military Attaché (uncredited)
Norbert Brodine
Director of Photography
Joseph L. Mankiewicz
Director
Michael Wilson
Screenplay
Bernard Herrmann
Original Music Composer
Otto Lang
Producer
L.C. Moyzisch
Novel
James B. Clark
Editor
Lyle R. Wheeler
Art Direction
Ben Nye
Makeup Artist
George W. Davis
Thomas Little
Set Decoration
W.D. Flick
Sound
Charles LeMaire
Wardrobe Designer
Walter M. Scott
Roger Heman Sr.