






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.
Direction
Dickinson's documentary-trained eye brings unsettling realism.
Production
Those wall slogans are actual WWII propaganda, not set dressing.

Director
Thorold Dickinson
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