"The "war of nerves" which gripped the European continent in 1938, is the background for this war thriller starring George Sanders."
George Sanders
as Keith Wilson
Marguerite Chapman
as Ilse Von Preissing
Onslow Stevens
as Rudolph Von Preissing
Gale Sondergaard
as Gretta Van Leyden
Franklyn Farnum
as R.A.F. Officer (uncredited)
Byron Foulger
as Herr Van Leyden (uncredited)
Steven Geray
as Henri Rader (uncredited)
Alan Napier
as Col. Patterson (uncredited)
Art Smith
as Dutch Pastor (uncredited)
Leonard Mudie
as MacPhail (uncredited)
Donald Douglas
as Bill Banning (uncredited)
Alec Craig
as Smitty - News Vendor (uncredited)
Frederick Worlock
as Von Ritter - Ministry of Information (uncredited)
Wolfgang Zilzer
as Cripple (uncredited)
Reginald Sheffield
as Miller - Wilson's Butler (uncredited)
Keith Hitchcock
as Bobby (uncredited)
Constance Worth
as English Girl (uncredited)
Charles Wagenheim
as Julius Hoffman - Florist (uncredited)
Felix Basch
as Hoppner (uncredited)
Lester Matthews
as Air Marshal (uncredited)
John Meredith
as Engineer (uncredited)
Arthur Space
as Staff Officer (uncredited)
Niels Bagge
as Official Nazi Staff Officer (uncredited)
Sven Hugo Borg
as Stockholm Waiter (uncredited)
Arno Frey
as Gestapo Captain (uncredited)
Hank Bell
as Dutchman (uncredited)
Richard Abbott
as Underground Leader (uncredited)
Louis V. Arco
as Army Captain (uncredited)
Alfred E. Green
Director
B.P. Fineman
Story
Horace McCoy
Writer
Samuel Bischoff
Producer
Werner R. Heymann
Original Music Composer
Franz Planer
Director of Photography
Reg Browne
Editor
Al Clark
Michael Hogan
Lionel Banks
Art Direction
Walter Holscher
George Montgomery
Set Decoration
Milton Carter
Assistant Director
Morris Stoloff
Music Director