Question: Who directed the 2015 South Korean drama film starring Hwang Jung-min?

Context:
New World (2013 film)
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.
The Battleship Island
The Battleship Island () is a 2017 South Korean period action fiction film starring Hwang Jung-min, So Ji-sub, Song Joong-ki and Lee Jung-hyun.
 It is a Japanese occupation-era film about an attempted prison break from a forced labor camp on Hashima Island.
Happiness (2007 film)
Happiness () is a 2007 South Korean film, directed by Hur Jin-ho and starring Hwang Jung-min and Im Soo-jung.
 It is a love story about two people who meet while battling serious illnesses.
Dancing Queen (2012 film)
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.
The Himalayas (film)
The Himalayas () is a 2015 South Korean drama film directed by Lee Seok-hoon.
 The film was released on December 16, 2015.
Hwang Jung-min
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.
A Violent Prosecutor
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.
Korean Peninsula (TV series)
Korean Peninsula () is a 2012 South Korean television series starring Hwang Jung-min and Kim Jung-eun.
 It aired on newly launched cable channel TV Chosun from February 6 to April 3, 2012 on Mondays and Tuesdays at 20:50 for 18 episodes.
The Accidental Couple
The Accidental Couple (; lit.
 "Just Looking"; shortened to That Fool () is a 2009 South Korean television series starring Hwang Jung-min and Kim Ah-joong.
 The show is a romantic comedy focusing on the relationship between a post office clerk and an actress after they agree to a six-month contract marriage.
 It aired on KBS2 from April 29 to June 18, 2009 on Wednesdays and Thursdays at 21:55 for 16 episodes.
Ode to My Father
Ode to My Father (; lit.
 "Gukje (International) Market") is a 2014 South Korean drama film directed by Yoon Je-kyoon.
 Starring Hwang Jung-min and Yunjin Kim, it depicts modern Korean history from the 1950s to the present day through the life of an ordinary man, as he experiences events such as the Hungnam Evacuation of 1950 during the Korean War, the government's decision to dispatch nurses and miners to West Germany in the 1960s, and the Vietnam War.

Answer: Lee Seok-hoon