Yu Junsang.

Yu Junsang (유준상) is a South Korean singer and actor managed by Namoo Actors and PRIVATE CURVE. Another profile detail is that His first credited apparition as an actor was in 1976, in the movie Special Investigator Bat. Additional background says that he also made his his solo singing debut on May 10, 2012 with Ce Song (featuring Kim Sangho and Kwak Dongyeon), an OST for the drama 넝쿨째 굴러온 당신 (My Husband Got a Family).