Thriller Mystery Comedy
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 by
Anthony Asquith
John Mills
Flt·Lieut. Perry
George Cole
Ronald
Alastair Sim
Charles Dimble
Wally Patch
Evans
Michael Wilding
Alan Trently
Sydney Tafler
RAF Officer (uncredited)
Leslie Banks
John Barrington
Frank Cellier
John Forest
Hay Petrie
Dr. Truscott
Catherine Lacey
Mrs. Stokes
Peter Gawthorne
Senior RAF Officer (uncredited)
Muriel Aked
Miss Fernery
Arthur Hambling
Scotland Yard Inspector (uncredited)
Carla Lehmann
Helen Barrington (as Carla Lehman)
Jeanne De Casalis
Mrs. Barrington
Brefni O'Rorke
Scottish Police Inspector (uncredited)
Muriel George
Mrs. Trimm
Annie Esmond
Lady Wrapping Parcels For The Bazaar (uncredited)
Roddy Hughes
German Agent (uncredited)
Sydney King
Ministry Official (uncredited)
Charles Rolfe
German Agent (uncredited)
Ben Williams
Scottish Fisherman (uncredited)

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