Known for his role as serial killer Je Yeong-min in the 2008 South Korean thriller The Chaser, this popular actor also starred in such films as Love Fiction, The Terror Live, and My Dear Enemy. He also directed a 2013 comedy movie titled Fasten Your Seatbelt.
After studying drama at Chung-Ang University, he completed his compulsory military service before making his on-screen debut in a South Korean comedy series called Honest Living.
From 2008 until 2012, he was romantically involved with model Gu Eun-ae.
Born Kim Sung-hoon, he grew up in South Korea as the son of the prominent screen actor Kim Yong-gun.
He shared the screen with Vera Farmiga in the acclaimed 2007 film Never Forever.