High Quality Content by WIKIPEDIA articles! Oh Dal-su (born 15 June 1968 in Daegu) is a South Korean actor. He has played many crime-related roles, such as Mr.Park the owner of the organized crime funded private jail in Oldboy (2003) and a former gang boss in Mapado (2005). He plays a semi-comic part as a weapons smuggler in A Bittersweet Life (2005). It is reported that he dubbed the voice of the monster in The Host (2006).