Ko Sung-hee

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). In total, there are 20 recognized credits in film and television. On Cinestia you can browse Ko Sung-hee's complete filmography — 5 films and 15 series — and find where to watch each title.