Production O Seung-hyeon Acting The Unjust Haedong Investor 2 2010 Other Credits The King's Letters Executive Producer 2019 Sunkist Family Producer 2019 The Swindlers Producer 2017 The Throne Writer 2015 Miss Change Producer 2013 Battlefield Heroes Producer 2011 Blades of Blood Writer 2010 Sunny Producer 2008 Bunt Producer 2007 Hi, Dharma 2: Showdown In Seoul Producer 2004 Once Upon a Time in a Battlefield Producer 2003 Hi, Dharma! Producer 2001 Terror Taxi Assistant Director 2000 The Anarchists Assistant Director 2000 Agent-readable