If War Should Come. Word Search Puzzle Solver. If War Should Come word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. 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. This includes identifying and searching for words that are related to : Jack Livesey, Documentary .