Question: Kim Sung-su is a South Korean Film Director who is known mainly for a film that was released with two different names in Englosh-speaking countries in 2011?

Context paragraphs:
Kim Ki-duk (director, born 1934): Kim Ki-duk (29 September 1934 – 7 September 2017) was a South Korean film director and professor.  Best known outside of Korea for his 1967 giant monster film "", Kim Ki-duk directed 66 movies in total from his directorial debut in 1961 until his retirement from the film industry in 1977.  Along with Kim Soo-yong and Lee Man-hee, Kim was one of the leading young directors of the Korean cinematic wave of the 1960s.  The most distinctive and successful genre of this period was the melodrama (청춘영화 - "cheongchun yeonghwa").  He is not related to Kim Ki-duk, the South Korean director of "3-Iron".

Madame Aema 9: Madame Aema 9 () is a 1993 South Korean film directed by Kim Sung-su.  It was the ninth in the "Madame Aema" series, the longest-running film series in Korean cinema.

Beat (1997 film): Beat () is 1997 South Korean gangster film directed by Kim Sung-su and written by Sam Shin about a high school dropout who is forced into gang life.  Jung Woo-sung played the lead Min and Ko So-young his love interest Romy.  The plot is based on a bestselling graphic novel by Huh Young-man.

Kim Young-tak: Kim Young-tak (born 1976) is a South Korean film director and screenwriter.  Kim wrote and directed the comedy film "Hello Ghost" (2010).  The comedy was a local hit - the 9th highest grossing Korean film in 2010, and won him the Best New Director (Film) at the 47th Baeksang Arts Awards in 2011.

Flu (film): Flu () is a 2013 South Korean disaster film written and directed by Kim Sung-su, about an outbreak of a deadly strain of H5N1 that kills its victims within 36 hours, throwing the district of Budang in Seongnam, with a population of nearly half a million people into chaos.  It stars Jang Hyuk and Soo Ae.

Musa (film): Musa (; lit.  "Warrior"), released as both "The Warrior" and "The Ultimate Warrior" in English-speaking countries, is a 2001 South Korean epic film directed by Kim Sung-su, starring Jung Woo-sung, Ahn Sung-ki, Joo Jin-mo and Chinese actress Zhang Ziyi.  The semi-historical story follows the adventures of a Korean peace delegation as they try to get back to Korea through the inhospitable deserts of northern China.

Kim Dae-woo: Kim Dae-woo (born 1962) is a South Korean film director and screenwriter.  Kim started his filmmaking career by winning the 1991 Korean Film Council Screenplay Contest.  He was an accomplished screenwriter with a number of hit scripts, including "The Girl for Love and The One for Marriage" (1993), "An Affair" (1998), "Rainbow Trout" (1999), and "Untold Scandal" (2003).  Making a switch to directing, he debuted with the hit period drama film "Forbidden Quest" (2006), followed by "The Servant" (2010) and "Obsessed" (2014).  "Forbidden Quest" won the Best New Director at the 42nd Baeksang Arts Awards, and Best New Director and Best Screenplay at the 26th Korean Association of Film Critics Awards in 2006.

Romain Gary: Romain Gary (] ; 21 May [O.S. 8 May] 1914 2 December 1980), born Roman Kacew and also known by pen names such as Émile Ajar, was a French diplomat, novelist, film director and World War II aviator of Lithuanian Jewish origin.  He is the only author to have won the Prix Goncourt under two different names.

Asura: The City of Madness: Asura: The City of Madness () is a 2016 South Korean action crime drama film directed by Kim Sung-su.

Kim Sung-su (director): Kim Sung-su (; born November 15, 1961) is a South Korean film director, known mainly for the teen film "Beat", period epic "Musa" and the comedy "Please Teach Me English".

Supporting paragraphs: Kim Sung-su (director) Musa (film)
Answer: Musa