Title: The Loudwater Mystery (film)
Content:  The Loudwater Mystery is a 1921 British silent crime film directed by Walter West and starring Gregory Scott, Pauline Peters and Clive Brook. It was based on the 1920 novel The Loudwater Mystery by Edgar Jepson.
Title: The Loudwater Mystery (novel)
Content:  In 1921, the novel was made by Broadwest into a silent film directed by Walter West and starring Gregory Scott, Pauline Peters and Clive Brook.
Title: The Blue Mountains Mystery
Content:  The Blue Mountains Mystery is a lost 1921 Australian silent film directed by Raymond Longford and co-directed by Lottie Lyell. The film was derived from the 1919 novel The Mount Marunga Mystery by Harrison Owen. It is considered a lost film.
Title: The Lodger: A Story of the London Fog
Content:  The Lodger: A Story of the London Fog is a 1927 British silent thriller film directed by Alfred Hitchcock and starring Marie Ault, Arthur Chesney, June Tripp, Malcolm Keen, and Ivor Novello. Hitchcock's third feature film, it was released on 14 February 1927 in London and on 10 June 1928 in New York City. Based on the 1913 novel The Lodger by Marie Belloc Lowndes and the play Who Is He? co-written by Belloc Lowndes, the film is about the hunt for a "Jack the Ripper"-like serial killer in London.
Title: The Mount Marunga Mystery
Content:  In 1921, Raymond Longford and Lottie Lyell adapted the novel into the silent film The Blue Mountains Mystery.
Title: Lady in the Fog
Content:  Lady in the Fog, released in the United States as Scotland Yard Inspector, is a 1952 British mystery film based on a BBC serial by Lester Powell as scripted by Orville H. Hampton, directed by Sam Newfield and starring Cesar Romero and Lois Maxwell. It was made by Lippert Productions and Hammer Films at the Riverside Studios in Hammersmith.
Title: Troubled Waters (1936 film)
Content:  Troubled Waters is a 1936 British mystery film directed by Albert Parker and starring James Mason, Virginia Cherrill, Alastair Sim, Raymond Lovell and Sam Wilkinson.
Title: The Mystery Girl
Content:  The Mystery Girl is a lost 1918 American drama silent film directed by William C. deMille and written by Marion Fairfax and George Barr McCutcheon. The film stars Ethel Clayton, Henry Woodward, Clarence Burton, Charles West, Winter Hall and Mayme Kelso. The film was released on December 22, 1918, by Paramount Pictures.
Title: The Mystery Road
Content: David Powell - Gerald Dombey ; Nadja Ostrovska - Myrtile Sargot ; Pardoe Woodman - Christopher Went ; Mary Glynne - Lady Susan Farrington ; Ruby Miller - Vera Lypashi ; Percy Standing - Luigi ; Lewis Gilbert - Jean Sargot ; Irene Tripod - Widow Dumesnel ; Lionel d'Aragon - Pierre Naval ; Arthur M. Cullin - Earl of Farrington ; Judd Green - The Vagabond (as R. Judd Green) 
Title: The Last Shot You Hear
Content:  The film is based on William Fairchild's play The Sound of Murder which premiered in 1959 in a production starring Peter Cushing and Elizabeth Sellars. The play became a favourite among stock companies. Filming started November 1967. It was also known as The Jolly Girls. The Shaggy Pups wrote the theme song. Lippert signed Mendel Pups to a two-film deal. Lippert announced he purchased an original story by Hessler, Genoa. However the film was never made. However, when Lippert and Fox decided to end their relationship the film was not made.

Question: Who was the director of The Loudwater Mystery?
Answer: Walter West.
Walter Alabaster West.