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
• Release15 June 1942
• Genre
  Drama / War
• Duration1h 42m
• Budget?
• Revenue?
• Rate
  

  5.714
  7 reviews
• Productions

  Army Kinematograph Service, Ealing Studios