"Set just before the outbreak of WWII, this is the story of a test pilot who works for the (unnamed) enemy. Made in 1939, by the time it was released in 1940, war had been declared."
Barry K. Barnes
as Peter Thurloe
Joan Marion
as Dorothy Houghton
Roger Livesey
as Charles Houghton
Basil Radford
as Bill Madison
Everley Gregg
as Emily Madison
Felix Aylmer
as Col. Cairns
Wallace Douglas
as Agent Hooper
Henry Oscar
as Porter
John Turnbull
as Sir Andrew Hamilton
Edward Ashley
as Stuart
Santos Casani
as Foreigner
Hal Walters
as Kingswell
David Davies
as Detective (uncredited)
David MacDonald
Director
A.R. Rawlinson
Screenplay
Jeffrey Dell
Theatre Play
Bridget Boland
Bryan Langley
Director of Photography
Bernard Willis
Production Manager
Ronnie Munro
Original Music Composer
David Lean
Editor