Produced shortly before the outbreak of World War II in September 1939, If War Should Come was one of the last films to be produced by the GPO Film Unit before it was re-named the Crown Film Unit and incorporated into the Films Division of the Ministry of Information.

• Director?
• Release17 September 1939
• GenreDocumentary
• Duration0h 9m
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• Revenue?
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• Productions

  GPO Film Unit