1940 London Can Take It! A tribute to the courage and resiliency of Britons during the darkest days of the London Blitz. Credits Directors Humphrey Jennings , Harry Watt Cast Quentin Reynolds , King George VI of the United Kingdom , Queen Elizabeth the Queen Mother Studios Ministry of Information , GPO Film Unit , GPO (General Post Office) Film Unit Genres Documentary War External IMDb Posters 2 US theatrical US international