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
Peter Thurloe
Joan Marion
Dorothy Houghton
Roger Livesey
Charles Houghton
Basil Radford
Bill Madison
Everley Gregg
Emily Madison
Felix Aylmer
Col. Cairns
Wallace Douglas
Agent Hooper
Henry Oscar
Porter
John Turnbull
Sir Andrew Hamilton
Edward Ashley
Stuart
Santos Casani
Foreigner
Hal Walters
Kingswell
Little Nemo: Adventures in Slumberland Pilot 2
The Right Stuff
Test Pilot
Innerspace
Jet Job
X-15
First Man into Space
The Great Waldo Pepper
Firefox
Love Is in the Air
Shadow in the Cloud
Flyboys
Hornblower: The Examination for Lieutenant
Q Planes
Tobor the Great
The McConnell Story
The Rocketeer
Die Alone
Sunday in New York