Question: Ryu Seung-soo was in the 2011 war film directed by whom?
Related documents: [0]  [DOC] Ryu Seung-soo (born August 12, 1971) is a South Korean actor. Ryu made his acting debut in 1997 with a minor role in Park Chan-wook's film "Trio", and has been active as a supporting actor on film and television since. Among his notable films are the monks-versus-gangsters comedy "Hi! Dharma!" (2001), "kimchi" western "The Good, the Bad, the Weird" (2008), and Korean War movie "The Front Line" (2011). He also appeared on TV in the quirky series "Evasive Inquiry Agency" (also known as "Four Gold Chasers", 2007), revenge drama "The Chaser" (2012), and power-struggle saga "Empire of Gold" (2013). [END] 
[1]  [DOC] The Front Line (; also known as "Battle of Highlands") is a 2011 South Korean war film directed by Jang Hoon, set during the 1953 ceasefire of the Korean War. This is the third film by director Jang Hoon, after completing "Secret Reunion" and "Rough Cut". It was selected as South Korea's submission to the 84th Academy Awards for Best Foreign Language Film, but did not make the final shortlist. It also won four Grand Bell Awards, including Best Film. [END] 
Answer: 
Jang Hoon
Jang Hoon