고성희
- Profesie
- Actorie
- Data nașterii
- 21 iunie 1990
- Locul nașterii
- United States
Biografie
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).