Ko Sung-hee (; born June 21, 1990) is a South Korean actress. She played her first leading role in the fantasy-period drama Diary of a Night Watchman (2014).
Personal life
On October 17, 2022, Ko's agency announced that Ko will marry a non-celebrity boyfriend in November. They married in a private ceremony on November 20, 2022, in Seoul. On April 30, 2025, MSteam Entertainment announced that Ko gave birth to a daughter last year.
Filmography Film Year Title Role Notes 2010 A Good Night's Sleep for the Bad Female high school student 2013 An Ethics Lesson Jin-ah Fasten Your Seatbelt Minamito 2019 Trade Your Love Park Hae-joo 2021 A Year-End Medley Young-ju TVING Film
Television series Year Title Role Notes 2013 Miss Korea Kim Jae-hee 2014 Diary of a Night Watchman Do-ha 2015 SPY Lee Yoon-jin My Beautiful Bride Yoon Joo-young 2016 Don't Dare to Dream Hong Soo-young cameo 2017 While You Were Sleeping Shin Hee-min 2018 Mother Shin Ja-young Suits Kim Ji-na Ms. Ma, Nemesis Seo Eun-ji 2020 Kingmaker: The Change of Destiny Hwang Bong Ryun 2022 Gaus Electronics Cha Na-rae
Web series Year Title Role 2020 My Holo Love Han So-yeon
Television show Year Title Role Notes 2009 Style Studio Host Season 1
Awards and nominations + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination Award ceremony Year Category Nominee / Work Result APAN Star Awards 2018 Best Supporting Actress Mother KBS Drama Awards 2018 Best Supporting Actress Suits Korea Drama Awards 2014 Best New Actress Miss Korea MBC Drama Awards 2014 Miss Korea, Diary of a Night Watchman SBS Drama Awards 2017 Excellence Award, Actress in a Wednesday–Thursday Drama While You Were Sleeping 2018 Best Supporting Actress Ms. Ma, Nemesis The Seoul Awards 2018 Best Supporting Actress (Drama) Mother, Suits
References
External links