Ko Sung-hee: Ko Sung-hee. Actress: While You Were Sleeping. Ko Sung-hee is known for While You Were Sleeping (2017), Miss Korea (2013) and Mother (2018).
Known For: While You Were Sleeping (Shin Hee MinShin Hee-Min (2017)(as Ko Sung-Hee)), Miss Korea (Kim Jae-Hee(as Ko Sung-Hee)), Mother (Shin Ja YeongJa-yeong), Spy (Lee Yoon-Jin(as Ko Sung-Hee))