Ko Sung-hee - Actor Profile

Ko Sung-hee

Acting
Updated: Apr 15, 2026
5Total Films
7.2 Highest Rated
Born: Jun 21, 1990
Birth Place: United States

About 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.

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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.

YearMovieCharacterSuccessMore
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?".

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