Jang Yeong-sil is a historical drama television series starring a South Korean actor best known for his role in what 2006 hit drama series? 
Song Il-gook: Song Il-gook (; born October 1, 1971) is a South Korean actor. Song Il-gook:  He is best known for his role in the 2006 hit drama series "Jumong" as the titular character.
i don't know