Myung-Sung made his debut in 2002, at the age of 34 with a movie titled Birth of a Man. However, it was only after his role in 2005 film Tale of Cinemas, he got recognization and fame. The versatile actor has since been appearing in an average of three movies every year and has been most appreciated for his role in Maundy Thursday and Seven Days. Besides, Moo-Sung is also a television actor and has appeared in many television series since his debut in 2011 with The Princess Man.
Moving further, the actor has kept his romantic life just limited in the reels giving no hint of his real life romance in public to exactly pinpoint about him being married or divorce or having any affair. Apart from this, the actor who is an Asian by ethnicity owns a huge salary from his career as an actor and stands as an example to people of his nationality. Along with acting he also earns a major part of his income from endorsements that adds up to his net worth.