
Ko Sung-hee
ActingAbout 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).
Ko Sung-hee Movies & Career Overview
The filmography of Ko Sung-hee reflects a career marked by diverse experimentation. Across 5 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.
Dominant Genre
A large portion of Ko Sung-hee's work falls within the Comedy genre, where audiences tend to respond most strongly to their on-screen presence.
Success Ratio
Approximately 20% of Ko Sung-hee's films maintain ratings above 6.5, indicating a consistent level of audience approval.
One of the most highly rated entries in their career remains A Year-End Medley, which stands out as a key performance.
Best Ko Sung-hee Movies Ranked
Must-watch hits from Ko Sung-hee's career based on audience ratings.
Full Filmography
Every movie Ko Sung-hee has appeared in, with audience ratings and verdicts.
| Year | Movie | Character | Success | More |
|---|---|---|---|---|
| 2021 | A Year-End Medley | Young-ju | Hit | Similar → |
| 2019 | Trade Your Love | Hae-joo | Average | Similar → |
| 2013 | Fasten Your Seatbelt | Flight attendant Minamito | Average | Similar → |
| 2013 | Will You Still Love Me Tomorrow? | Min-Young | Average | Similar → |
| 2013 | An Ethics Lesson | Jin-ah | Average | Similar → |
Ko Sung-hee - Frequently Asked Questions
What is the best movie of Ko Sung-hee?
According to audience ratings, the best movie starring Ko Sung-hee is "A Year-End Medley" with a rating of 7.2/10.
How many movies has Ko Sung-hee acted in?
Ko Sung-hee has been featured in at least 5 major films throughout their career.
What are some other popular movies by Ko Sung-hee?
Other notable films include "An Ethics Lesson", "Trade Your Love", and "Will You Still Love Me Tomorrow?".




