ActingBaek Sung-hyunBorn 1989-01-30· Gwangmyung-si, Gyeonngi-do, South KoreaBaek Sung-hyun (백성현) is a South Korean actor.Known forVoice2017CRIMEWhile You Were Sleeping2017SCI-FIIris2009DRAMADoctors2016DRAMAFull filmographyVoice2017CRIMEWhile You Were Sleeping2017SCI-FIIris2009DRAMADoctors2016DRAMAStairway to Heaven2003DRAMABig2012COMEDYIris II2013DRAMA