Phantom () is a 2012 South Korean television series, starring So Ji-sub, Lee Yeon-hee, Um Ki-joon, Kwak Do-won, and Song Ha-yoon.
 The police procedural tackles crimes and clues in the cyber world, weaving a massive, twist-filled mystery of murders, identity switches, corruption and conspiracy.
A Company Man () is a 2012 South Korean action thriller film starring So Ji-sub, Lee Mi-yeon, Kwak Do-won and Kim Dong-jun.
 It is about a hitman who find himself targeted by his ex-employers after he falls in love with a single mother and quits his job.
The Attorney () is a 2013 South Korean courtroom drama film directed and co-written by Yang Woo-suk, in his directorial debut (Yang was previously a film producer and webtoon author).
 With 11,375,954 tickets sold and a revenue of ₩82.9 billion , "The Attorney" became the 8th best-selling Korean film of all time, and the second highest-grossing Korean film of 2013.
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.
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.
Kwak Do-won (born Kwak Byung-kyu on May 17, 1974) is a South Korean actor.
 He is known for his roles in the films "The Yellow Sea" (2010), "" (2012), "The Attorney" (2013) and "The Wailing" (2016).
Kwak Ji-kyoon (born Kwak Jung-kyoon, November 10, 1954 – May 25, 2010) was a South Korean film director and screenwriter.
 Kwak made his directorial debut in 1986 with the film "Winter Wanderer" and became well known for directing melodramatic films such as "Portrait of the Days of Youth" (1991) and "Plum Blossom" (2000).
 He committed suicide on May 25, 2010, after suffering from depression for the past 10 years and had a hard time dealing with the thought of not being able to make movies.
Kwak Si-yang (born Kwak Myeong-jin on January 15, 1987) is a South Korean actor.
Good Doctor () is a 2013 South Korean medical drama television series starring Joo Won, Moon Chae-won, Joo Sang-wook, Kim Min-seo, Chun Ho-jin, Kwak Do-won and Ko Chang-seok.
 It aired on KBS2 from August 5 to October 8, 2013, on Mondays and Tuesdays at 21:55 for 20 episodes.
Steel Rain is an upcoming South Korean action drama film directed by Yang Woo-suk, based on his webtoon of the same name.
 The film stars Jung Woo-sung and Kwak Do-won.

Question: Kwak Do-won (born Kwak Byung-kyu on May 17, 1974) is a South Korean actor, he is known for his role in which 2013 South Korean courtroom drama film, directed and co-written by Yang Woo-suk, in his directorial debut?
Answer: The Attorney