Overview
Lots of slogans such as "Be like Dad, Keep Mum" and "Keep it under your Hat" are visible on the walls in various scenes to reinforce the plot of this British wartime movie illustrating how gossipy talk can result in unknowingly giving valuable information to Nazi spies.
DirectorThorold Dickinson
ProducersMichael Balcon
WritersBasil Bartlett, Angus MacPhail, Thorold Dickinson, John Dighton
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Details
Production companiesArmy Kinematograph Service, Ealing Studios