[2] He is best known for the films My Boss, My Hero (2001) and its 2006 sequel, Marrying the Mafia (2002), Another Public Enemy (2005), as well as the hit television series Iris (2009) and Sky Castle (2018–2019).

He admitted that when he was a kid, he was shy and would cry when his teacher placed him in front of the class to sing.

To his surprise, the movie not only received high box office record but also solidified his star power.

He questioned himself which career route he wished to head down and which new image he wanted to develop.

The positive remarks he received from his fans and media boosted his confidence in his acting.

He hopes to take on more exotic roles in his upcoming series and movies that will give audiences a fresh feeling every time they see him onscreen.