Baek Sung-hyun (백성현) is a South Korean actor.
Running Man
Radio Star
Voice
While You Were Sleeping
See and See Again
Su Ji and U Ri
Iris
Emperor of the Sea
Stairway to Heaven
Queen Insoo
Doctors
Big
Korea-Khitan War
Candy in My Ear
Marathon
Between Him and Her
Beautiful Days
Blades of Blood
Our School's E.T.
Mojito
