The Lodger: A Story of the London Fog (1927)
The Lodger: A Story of the London Fog is a 1927 British silent film directed by Alfred Hitchcock and starring Marie Ault, Arthur Chesney, June Tripp, Malcolm Keen, and Ivor Novello. The film was released on 14 February 1927 in London and on 10 June 1928 in New York City. Based on a story by Marie Belloc Lowndes and a play Who Is He? co-written by Belloc Lowndes, the film is about the hunt for a "Jack the Ripper" type of serial killer in London.
More at Wikipedia.