Moon So-ri (born July 2, 1974) is a South Korean actress, film director and screenwriter.
 She is best known for her acclaimed leading roles in "Oasis" (2002) and "A Good Lawyer's Wife" (2003).
The Mayor (, lit.
 "Special Citizen") is a 2017 South Korean political drama film written and directed by Park In-je.
 It stars Choi Min-sik, Kwak Do-won, Shim Eun-kyung, Moon So-ri, Ra Mi-ran, Ryu Hye-young and Ki Hong Lee.
 The film was released in South Korea on April 26, 2017 and in the US and Canada on April 28.
Oasis () is a 2002 South Korean film directed by Lee Chang-dong.
 This is Lee's third feature film, and the last one he directed before his stint as South Korea's Minister of Culture.
 The film's plot tells about the difficult romance between a mildly mentally disabled man who has just been released from jail after a two and a half year sentence for involuntary manslaughter and a woman with severe cerebral palsy.
 Starring in these roles are the couple from Lee Chang-dong's previous film "Peppermint Candy"; Sol Kyung-gu and Moon So-ri.
 The movie also shows how the two main characters are treated by their families and perceived by the people around them.
An Ethics Lesson (; lit.
 "The Ethics of Anger") is a 2013 South Korean film starring Lee Je-hoon, Cho Jin-woong, Kim Tae-hoon, Kwak Do-won and Moon So-ri.
 Written and directed by Park Myoung-rang, the crime thriller centers on four suspicious men involved in a college girl's murder.
Bewitching Attraction (; lit.
 "The Discreet Charm of Female Professors") is a 2006 South Korean black comedy film.
 The debut film by South Korean director Lee Ha, the plot revolves around a troubled professor (Moon So-ri) and her sexual escapades.
 The film was released on March 16, 2006 and had a total attendance of 691,735.
Poetry () is a 2010 South Korean drama film written and directed by Lee Chang-dong.
 It tells the story of a suburban woman in her 60s who begins to develop an interest in poetry while struggling with Alzheimer's disease and her irresponsible grandson.
 Yoon Jeong-hee stars in the leading role, which was her first role in a film since 1994.
 The film was selected for the main competition at the 2010 Cannes Film Festival, where it won the Best Screenplay Award.
 Other accolades include the Grand Bell Awards for Best Picture and Best Actress, the Blue Dragon Film Awards for Best Actress, and the Los Angeles Film Critics Association Award for Best Actress.
The President's Barber () is a 2004 South Korean film directed by Im Chan-sang.
 It follows a barber, his wife, and their only son through four decades of tumultuous Korean history.
 Much as in "Forrest Gump", we see important moments in South Korean history through the eyes of the titular barber, who is drafted to be the official barber of President Park Chung-hee.
 The role of the barber is played by Song Kang-ho and Moon So-ri plays his wife.
Venus Talk (; lit.
 "The Laws of Pleasures") is a 2014 South Korean film about the sex and love lives of three women in their forties, played by Uhm Jung-hwa, Moon So-ri and Jo Min-su.
 The romantic dramedy is directed by Kwon Chil-in.
 The screenplay by Lee Soo-ah won the Grand Prize at the 1st Lotte Entertainment Script Contest.
 It was released in theaters on February 13, 2014.
Ahn Nae-sang (born December 25, 1964) is a South Korean actor.
 He began his career on the stage, and in 1994 made his film debut in the Bong Joon-ho short film "Baeksekin" ("White Man" or "White-collar worker"), followed by Jang Sun-woo's "Bad Movie" in 1997.
 He has since starred in numerous films, with supporting roles in Lee Chang-dong's "Oasis" and "Poetry", and a leading role in "Hoichori" ("Cane").
 He also appears in television series, notably "Conspiracy in the Court", "First Wives' Club", "Three Brothers", and "".
The Legend (; lit.
 "Story of the First King's Four Gods") is a 2007 South Korean historical fantasy television series, starring Bae Yong-joon, Lee Ji-ah, Moon So-ri and Choi Min-soo.
 Directed by Kim Jong-hak and written by Song Ji-na, it aired on MBC from September 11 to December 5, 2007 on Wednesdays and Thursdays at 21:55 for 24 episodes.

Question: Moon So-ri had a leading role in which film directed by Lee Chang-dong?
Answer: Oasis