Sector 7 (Korean: 7광구 ) is a 2011 South Korean science fiction action 3D film directed by Kim Ji-hoon who previously made "May 18".
Joseon X-Files () is a 2010 South Korean television series starring Kim Ji-hoon, Im Jung-eun, Kim Kap-soo and Jo Hee-bong.
 It aired on tvN from August 20 to October 29, 2010 on Fridays at 24:00 for 12 episodes.
The Tower (; "Tower") is a 2012 South Korean disaster thriller film about a fire that breaks out in a luxury skyscraper in central Seoul on Christmas Eve.
 The film is directed by Kim Ji-hoon, and stars Sol Kyung-gu, Kim Sang-kyung and Son Ye-jin in the lead roles.
 It was released in theaters on Christmas Day, December 25, 2012.
40 Days and Nights is a 2012 disaster film loosely based on the 2009 film 2012.
 Produced by The Asylum and directed by Peter Geiger, the film stars Monica Keena, Alex Carter, Christianna Carmine, Emily Sandifer, and Mitch Lerner.
 It is a modern take on Noah's Ark and the Genesis flood narrative.
I Want to See Your Parents' Face is an upcoming South Korean film directed by Kim Ji-hoon and based on a play by Seigo Hitazawa.
Kim Ji-hoon (born 1971), also spelled Kim Ji-hun, is a South Korean film director.
Do Ji-Han (born September 24, 1991) is a South Korean actor.
 He is best known for his supporting roles in the film "The Tower" (2012), which earned him a nomination for the Baeksang Arts Award for Best New Actor, and in the KBS2's television series "" (2016-2017).
Kim Ji-hoon (born 9 January 2000) is a South Korean actor.
 He began his career as a child actor, and more recently starred in the 2013 teen soap opera "Melody of Love".
Kim Ji-hoon (born May 9, 1981) is a South Korean actor.
 He is best known for his romantic comedies on television such as "The Golden Age of Daughters-in-Law" (2007), "Love Marriage" (also known as "Matchmaker's Lover", 2008), "Stars Falling from the Sky" (also known as "Wish Upon a Star", 2010), and "Flower Boys Next Door" (2012).
 In 2010, he also appeared in the film "Natalie", and cable mystery series "Joseon X-Files".
Goddess of Marriage () is a 2013 South Korean romantic comedy-drama series starring Nam Sang-mi, Kim Ji-hoon, Lee Sang-woo, Lee Tae-ran, Kim Jung-tae, Jo Min-su, Kwon Hae-hyo, Jang Young-nam and Jang Hyun-sung.
 It premiered on SBS on June 29, 2013, and ended on November 3, 2013, airing every Saturday and Sunday at 21:50 for 36 episodes.

Question: What South Korean actor played a supporting role in a 2012 disaster film directed by Kim Ji-hoon?
Answer: Do Ji-Han