Acting · Filmography
Ko Sung-hee
Born June 21, 1990 (age 36) United States
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).
Filmography
Where to watch Ko Sung-hee’s work in 
United States
Top 16 by popularity. Click any title to see exactly which OTT carries it in United States.
8.4
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While You Were Sleeping
2017
8.5
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Mother
2018
8.5
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My Holo Love
2020
7.2
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Suits
2018
7.2
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Gaus Electronics
2022
8.7
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Miss Korea
2013
6.7
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Ms Ma, Nemesis
2018
6.6
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My Beautiful Bride
2015
4.0
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The Night Watchman
2014
4.1
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King Maker: The Change of Destiny
2020
7.3
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Spy
2015
7.2
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A Year-End Medley
2021
5.8
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Trade Your Love
2019
5.6
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Will You Still Love Me Tomorrow?
2013
5.7
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Fasten Your Seatbelt
2013
6.0
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An Ethics Lesson
2013