Lee Byung-hun worked on the 2005 gangster film written and directed by whom?
Lee Byung-hun:  He has received critical acclaim for his work in a wide range of genres, most notably "Joint Security Area" (2000); "A Bittersweet Life" (2005); "The Good, the Bad, the Weird" (2008); the television series "Iris" (2009); "I Saw the Devil" (2010); and "Masquerade" (2012). A Bittersweet Life:  "The Sweet Life") is a 2005 South Korean gangster action drama film written and directed by Kim Jee-woon and starring Lee Byung-hun.
Kim Jee-woon