About
Ko Sung-hee (Hangul: 고성희; born June 21, 1990) is a South Korean actress. She is best known for her leading roles in Diary of a Night Watchman (2014) and My Holo Love (2020). She has also starred in While You Were Sleeping (2017) and Mother (2018).
Running Man
Law of the Jungle
While You Were Sleeping
My Holo Love
Mother
Gaus Electronics
Suits
A Year-End Medley
An Ethics Lesson