

Allied spies and Nazi Agents insinuate themselves at a Scottish cottage (converted to a wartime hospital) with interests on an inventor's nearly perfected bomb sight.
Director: Anthony Asquith

John Barrington

Mrs. Barrington

Helen Barrington (as Carla Lehman)

Charles Dimble

Flt·Lieut. Perry

Ronald

Alan Trently

John Forest

Miss Fernery

Evans