After making his entertainment debut as a jeans model, he became known for his leading roles in the television series I'm Sorry, I Love You (2004), Cain and Abel (2009), Phantom (2012) and Master's Sun (2013) as well as the film Rough Cut (2008). He appeared in small roles on television throughout the late 1990s and early 2000s, and started to gain popularity when he was cast as the male second lead in Glass Slippers in 2002. "I was never really interested in becoming a celebrity," So said. I did modeling because I wanted to see Kim and also because it was the best way to earn good easy money." then made his acting debut in the sitcom Three Guys and Three Girls and the television drama Model.
Like her peers, they dream of one day becoming a princess, but for Lee-Sul she actually becomes a real life princess ...
Hae-Young (Song Seung-Heon) is a 31-year-old diplomat.
On June 23, 2009, Ju pleaded guilty in court to drug use of ecstasy and ketamine.
He was sentenced to six months of jail time, suspended for one year, 120 hours of community service, and a fine of ₩360,000.
Ju debuted as a model, in advertisements for clothing brands such as Calvin Klein, Levi's and Reebok.
Ju's debut drama was "Old Love", but it was in 2006's "Princess Hours", that he was recognized as an actor, for which he won Best New Actor at the MBC Drama Awards.It established him as a top star in Korea, as well as all over Asia.In 2009, So attempted to break into the Japanese and Chinese markets.At that time, So thought he would end up being a supporting actor.But later that year, he had his breakout role as a tragic hero in the critically acclaimed melodrama I'm Sorry, I Love You.In I am GHOST, an action drama that aired in 24 five-minute episodes on Japan's mobile-exclusive broadcaster Bee TV, he played a mysterious killer on the run with a high school girl.