The Lodger is a 2009 American mystery thriller film directed by David Ondaatje and written by Ondaatje and David Beckham. It is based on the 1913 novel The Lodger by Marie Belloc Lowndes and marks the fifth cinematic adaptation of the work, following earlier versions directed by Alfred Hitchcock (1927), Maurice Elvey (1932), John Brahm (1944), and Hugo Fregonese. The film stars Alfred Molina, Hope Davis, and Simon Baker. The narrative follows a Los Angeles detective investigating a series of murders that resemble the historical crimes of Jack the Ripper, while a secondary plot centers on a landlady who begins to suspect her enigmatic tenant may be involved.