The Silent Partner is a 1917 American silent drama film directed by Marshall Neilan from a screen story by Edmund Goulding and starred Blanche Sweet, who in a few years would marry Marshall Neilan.
 The film was remade in 1923, and also released by Paramount Pictures.
The Unpardonable Sin is a 1919 American silent drama/propaganda film set during World War I.
 The film was produced by Harry Garson, directed by Marshall Neilan, and stars Neilan's wife Blanche Sweet whose portrays dual roles in the film.
 "The Unpardonable Sin" is based on the novel of the same name by Rupert Hughes.
 It is not known whether the film currently survives, suggesting that it is a lost film.
Marshall Ambrose "Mickey" Neilan (April 11, 1891 – October 27, 1958) was an American motion picture actor, screenwriter, film director, and producer.
Minnie is a 1922 American silent comedy film starring Leatrice Joy and co-directed by Marshall Neilan and Frank Urson.
 Neilan also wrote and produced the film which was released by Associated First National Pictures (later First National Pictures).
 It is not known whether the film currently survives, which suggests that it is a lost film.
Nostalgia for the Light (Spanish: "Nostalgia de la Luz" ) is a documentary released in 2010 by Patricio Guzmán to address the lasting impacts of Augusto Pinochet’s dictatorship.
 Guzmán focuses on the similarities between astronomers researching humanity’s past, in an astronomical sense, and the struggle of many Chilean women who still search, after decades, for the remnants of their relatives executed during the dictatorship.
 Patricio Guzmán narrates the documentary himself and the documentary includes interviews and commentary from those affected and from astronomers and archeologists.
Everybody's Acting is a lost 1926 American drama silent film directed by Marshall Neilan and written by Marshall Neilan, Benjamin Glazer and George Marion Jr..
 The film stars Betty Bronson, Ford Sterling, Louise Dresser, Lawrence Gray, Henry B. Walthall, Raymond Hitchcock and Stuart Holmes.
 The film was released on November 8, 1926, by Paramount Pictures.
Patricio Guzmán Lozanes (born August 11, 1941) is a Chilean documentary film director.
 He is internationally renowned for films such as "The Battle of Chile" and "Salvador Allende".
The Sporting Venus (1925) is a silent romance film directed by Marshall Neilan.
 The film was the second MGM release of Neilan, and starred his wife, actress Blanche Sweet, who allegedly sported the lowest waistline of 1925.
 This is the first of two feature films that paired Ronald Colman with Blanche Sweet, the second being "His Supreme Moment", which was released in May 1925.
 This film is listed as being extant (surviving) at silentera database.
Men and Women is an extant short 1914 silent film produced by the Biograph Company and released by General Film Company.
 It is based on the 1890 play of the same name by David Belasco and Henry Churchill de Mille.
 It stars Lionel Barrymore, Blanche Sweet and Marshall Neilan.
 Sweet and Neilan would later marry in real life.
The Eternal Three is a 1923 American silent film drama produced and distributed by Goldwyn Pictures.
 It was directed by both Marshall Neilan and Frank Urson.
 Hobart Bosworth, Claire Windsor and Bessie Love star.
 The film was made from a screen story by Neilan and is now a lost film, although a brief production scene of director Marshall Neilan with stars Raymond Griffith, Hobart Bosworth, and Claire Windsor appear in the restored film "Souls for Sale".

Question: Did both Patricio Guzmán and Marshall Neilan work on the movie "The Battle of Chile?"
Answer: no