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.
Directed byAnthony Asquith
Written byGeoffrey Kerr, Anatole de Grunwald, J.O.C. Orton
CountryUnited Kingdom
Runtime90 min
On screen
Leslie Banks
Alastair Sim
Jeanne De Casalis