Sound Choi Seung-hyun Other Credits What Happened to Mr. Cha? Original Music Composer 2021 Bounty Hunters Music 2016 Children... Original Music Composer 2011 Lady Daddy Original Music Composer 2010 The Guard Post Original Music Composer 2008 Lady Vengeance Original Music Composer 2005 Windstruck Original Music Composer 2004 Oldboy Original Music Composer 2003 The Classic Original Music Composer 2003 Agent-readable