It Happened in Leicester Square  It Happened in Leicester Square is a 1949 British film, written and directed by Geoffrey Benstead. The film stars Harry Tate Jr and Slim Allen as two men from Yorkshire who visit a billiard hall and music hall in London. The original version was 53 minutes long and was given a "U" Certificate, indicating that it was suitable for children, on 22 March 1949. A re-edited version, some five minutes shorter, was released in 1951 as "Hello London". The film featured appearances from a number of snooker and English billiards players: Joe Davis, Sydney Smith, Thelma Carpenter, Joyce Gardner, Con Stanbury, Herbert Holt and Jackie Rea.