Question: Who directed Park Gun-hyung in a 2005 South Korean film?

Context articles: Innocent Steps
Park Gun-hyung
Working Mom Parenting Daddy
Park Kyung-won
Marathon (2005 film)
Jeong Jae-heon
Syndrome (TV series)
Blue Swallow (film)
Goddess of Fire
I Do, I Do (TV series)

Innocent Steps (; lit.
 "Dancer Purity") is a 2005 South Korean film directed by Park Young-hoon.
 Another English title for the movie is "Dancing princess".
Park Gun-hyung (; born November 1, 1977) is a South Korean actor.
 Park made his acting debut in musical theatre in 2001 and has since been active on both television and stage.
 He starred in the ballroom dancing film "Innocent Steps" (2005), the period drama "The Kingdom of the Winds" (2008), as well as played doctors in medical drama "Syndrome", and romantic comedy "I Do, I Do" (2012).
Working Mom Parenting Daddy () is a 2016 South Korean television series starring Hong Eun-hee, Park Gun-hyung, , Han Ji-sang, Shin Eun-jung and .
 It aired on MBC every Mondays to Fridays at 20:55 (KST) for 120 episodes from May 9 to November 11, 2016.
Park Kyung-won (24 June 1901 – 7 August 1933) was, along with Kwon Ki-ok of the Republic of China Air Force, one of the earliest Korean female aviators. Though it is generally agreed that Kwon was the first female pilot, Park is still recognised as the first Korean female civilian pilot, as Kwon was trained by the Republic of China Air Force.
 She was the subject of the controversial 2005 South Korean film "Blue Swallow", in which she was portrayed by actress Jang Jin-young.
Marathon () is a 2005 South Korean film directed by Jeong Yoon-cheol, and starring Jo Seung-woo, Kim Mi-sook and Lee Ki-young.
 It received 5,148,022 admissions, making it the 4th most attended Korean film of 2005.
Jeong Jae-heon (Korean: 정재헌 ; born April 18, 1975) is a South Korean voice actor and actor.
 He joined Munhwa Broadcasting Corporation's voice acting division in 2002.
 After being a freelancer, Jae-heon made a brief appearance on a 2005 South Korean film "Quiz King", playing his role as a television news reporter.
 The voice actor became popular with his dub of Kiyomaro Takamine on "Zatch Bell!
", which has been one of his signature works.
 He gained popularity also by replacing Adam Rodriguez on "", and Archie Kao on "".
 In late 2011, Jae-heon once was on stage, portraying Lee Mong-ryong in a South Korean charity play "Hyang-dan, Fly".
 He has recently been known for his voicing Shota Kazehaya on the Korean dub of a Japanese television animation series "From Me to You", which made many fans of Jae-heon call him 정재하야 (Jeong-jae-ha-ya, a compound word formed from "Jeong Jae"-heon and Kaze"haya").
Syndrome () is a 2012 South Korean medical drama series, starring Han Hye-jin, Song Chang-eui and Park Gun-hyung.
 It is set in the world of neurosurgery where a medical student finds herself in a love triangle with two fellow doctors.
 The television series aired on JTBC from February 13 to April 17, 2012 on Mondays and Tuesdays at 21:55 for 20 episodes.
Blue Swallow is a 2005 South Korean film based on the true story of Park Kyung-won, an early Korean female pilot.
 The film became controversial when Park's alleged pro-Japanese activities came to light.
 It was also found that she was not, as the filmmakers had thought, the first female pilot from Korea; this distinction in fact belonged to Kwon Ki-ok of the Republic of China Air Force.
 Despite excellent reviews and Park's biographer pointing out factual errors in these accusations, it resulted in the under-performance of "Blue Swallow" at the box office.
Goddess of Fire (; lit.
 Goddess of Fire, Jung Yi) is a 2013 South Korean television series starring Moon Geun-young, Lee Sang-yoon, Kim Bum, Park Gun-hyung, Seo Hyun-jin, Jun Kwang-ryul, Jeong Bo-seok, Byun Hee-bong, Han Go-eun, and Lee Kwang-soo.
 It aired on MBC from July 1 to October 22, 2013 on Mondays and Tuesdays at 21:55 for 32 episodes.
I Do, I Do () is a 2012 South Korean romantic-comedy television series, starring Kim Sun-a, Lee Jang-woo, Park Gun-hyung and Im Soo-hyang.
 It is about a successful shoe designer in her late 30s whose career is sidetracked when she accidentally becomes pregnant.