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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).
Gaus Electronics
Cha Na-rae · (12 episodes)
7.4
2022
A Year-End Medley
Young-ju
7.1
2021
King Maker: The Change of Destiny
Hwang Bong-ryeon · (21 episodes)
4.1
2020
My Holo Love
Han So-yeon · (12 episodes)
8.5
2020
Trade Your Love
Hae-joo
5.8
2019
Ms Ma, Nemesis
Seo Eun-Ji · (32 episodes)
6.7
2018
Suits
Kim Ji-Na · (16 episodes)
7.0
2018
Mother
Shin Ja-Young · (16 episodes)
8.6
2018
Master Key
(2 episodes)
9.2
2017
While You Were Sleeping
Shin Hee-min · (32 episodes)
8.4
2017
Candy in My Ear
(2 episodes)
0.0
2016
My Beautiful Bride
Yoon Joo-young · (16 episodes)
6.1
2015
Spy
Lee Yoon-jin · (16 episodes)
7.3
2015
The Night Watchman
Do-ha · (24 episodes)
4.0
2014
Miss Korea
Kim Jae-hee · (20 episodes)
9.0
2013
Fasten Your Seatbelt
Flight attendant Minamito
5.9
2013
Will You Still Love Me Tomorrow?
Min-Young
5.8
2013
An Ethics Lesson
Jin-ah
6.0
2013
Law of the Jungle
(3 episodes)
5.1
2011
Running Man
(1 episode)
8.3
2010