Question:  Hwang Jung-min  is one of the highest-grossing actors in South Korea, and has starred in several box office hits such as  "Veteran" (2015), a 2015 South Korean action crime comedy film written and directed by who?
Context: Kim Yoon-seok (born January 21, 1968) is a South Korean actor.  Kim's theater background first led him to be cast in minor roles on film and television.  His breakout role came as the villain in gambling film "" (2006), but it was his performance as an ex-cop turned pimp in surprise hit "The Chaser" (2008) that brought him acting awards and stardom in his forties.  Kim has since become an acclaimed leading actor, along with Choi Min-sik, Song Kang-ho, Sol Kyung-gu, Hwang Jung-min, Ha Jung-woo, in terms of acting talent and box office guarantee in Korean cinema, in films such as "Running Turtle" (2009), "The Yellow Sea" (2010), "Punch" (2011),"The Thieves" (2012), "" (2013), "Sea Fog" (2014), "The Classified File" (2015) and "The Priests" (2015). The filmography of Canadian American actor and comedian Jim Carrey comprises both film and television roles.  He appeared in over forty-two feature films, and ten television films and series.  He is one of the top-50 highest-grossing actors of all time at the North American box office, with over $2.5 billion total gross and an average of $94.3 million per film.  He was involved with thirteen films that grossed over $200 million at the worldwide box office, the highest grossing one was "Bruce Almighty". Stephanie Young Hwang (born August 1, 1989), known professionally as Tiffany or Tiffany Hwang, is an American singer based in South Korea.  Born and raised in California, she was discovered by South Korean entertainment agency S.M. Entertainment at the age of fifteen and subsequently moved to South Korea.  After four years of training, Tiffany debuted as a member of girl group Girls' Generation (and later its subgroup TTS) in August 2007, who went on to be one of the best-selling artists in South Korea and one of South Korea's most popular girl groups worldwide.  In 2016, following her contribution to several side projects during the early part of her career, Tiffany became the second Girls' Generation member to release a solo debut album, "I Just Wanna Dance". Hwang Jung-min (born September 1, 1970) is a South Korean actor.  He is one of the highest-grossing actors in South Korea, and has starred in several box office hits such as "Ode to My Father" (2014), "Veteran" (2015), "The Himalayas" (2015), "A Violent Prosecutor" (2015) and "The Wailing" (2016).  Hwang is the third actor in South Korea to be part of the "100 Million Viewer Club" in Chungmuro. Dancing Queen (Hangul: 댄싱퀸 ; RR: "Daensing Kwin " ) is 2012 South Korean romantic comedy film starring Uhm Jung-hwa and Hwang Jung-min.  The film tells a story of a married couple, who in the midst of their mundane lives decides to pursue their lost dreams.  The husband finds himself accidentally running for Mayor of Seoul and his wife decides to become a pop singer.  It was produced by JK Film and distributed by CJ Entertainment, and released on January 18, 2012. George Clooney is an American actor, writer, producer, and director.  He is one of the highest-grossing actors of all time with over $1.9 billion total box office gross and an average of $61.7 million per film.  He has been involved in thirteen films that grossed over $200 million at the worldwide box office. Hwang Kyo-ahn (Korean: 황교안 , Hanja: 黃敎安, RR: Hwang Gyo-an; born 15 April 1957) is a South Korean lawyer and was the 44th Prime Minister of South Korea from 18 June 2015 to 11 May 2017, having previously served as Justice Minister.  Hwang served as Acting President of South Korea following the impeachment and removal of President Park Geun-hye by the Constitutional Court of Korea on 10 March 2017, until the election of Moon Jae-in on 9 May 2017.  He had already taken over Park's presidential powers and duties on 9 December 2016 when impeachment proceedings were launched against her by the National Assembly and she was suspended from the powers and duties of the office. New World () is a 2013 South Korean crime drama film written and directed by Park Hoon-jung.  Starring Choi Min-sik, Hwang Jung-min and Lee Jung-jae, the film shows the conflict between the police and the mob through the eyes of an undercover cop.  "New World" is the first entry in a planned trilogy. Veteran () is a 2015 South Korean action crime comedy film written and directed by Ryoo Seung-wan.  It drew 13.4 million admissions, making it the 3rd all-time highest-grossing film in South Korean cinema history.  "Veteran" also won the Casa Asia Award at the Sitges Film Festival. A Violent Prosecutor is a 2016 South Korean crime film directed by Lee Il-hyung, produced by Guk Su Ran and starring Hwang Jung-min, Kang Dong-won, Lee Sung-min and Park Sung-woong.  It was released in South Korea on February 3, 2016 by Showbox.
Answer: Ryoo Seung-wan