
Ko Sung-hee
Acting
Biography
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).
Born: June 21, 1990
Place of Birth: United States
Known For

Miss Korea
This drama takes place in year 1997 and is about a failing cosmetics company that tries to turn a former high school beauty queen into Miss Korea. Oh Ji Young is the former high school beauty queen who has grown up to be nothing more an an elevator girl. Meanwhile, Kim Hyung Joon is an employee of the cosmetics company and will lead the efforts to turn Oh Ji Young into Miss Korea to save his company.

Master Key
Master Key is an interactive variety show where celebrities compete with one another and play various games in order to achieve victory each week. The players have to find those who have the two Master Keys, reasoning through an intense psychological warfare. The viewers become "Watchers" and participate in the game as well. By the number of votes, each star receives special abilities. Who will be chosen by the Watchers and become the final winner?

Mother
A young girl named Hye-Na is abused by her mother, Ja-Young. Although she is not okay, she tells other people she is alright. Soo-Jin is a temporary teacher at the elementary school where Hye-Na attends. Soo-Jin is aware of her situation and decides to become her mother.

My Holo Love
Unexpected love finds a lonely woman when she forms a connection with a humanlike hologram who looks exactly like his prickly creator.

While You Were Sleeping
Nam Hong Ju, endowed with the ability to foresee events, resides with her widowed mother who runs a small restaurant. Despite her gift, she often finds herself powerless to change the outcomes. On the other side of the street, Jung Jae Chan, a rookie prosecutor, and his younger brother Seung Won become their new neighbors. An unusual dream involving Hong Ju, ruthless attorney Lee Yu Beom, and a life-saving intervention leads Jae Chan to realize their destinies are intertwined, as they begin sharing dreams and connecting in mysterious ways.

Running Man
These days, as variety shows are gradually disappearing, this is one of Korea’s representative variety shows that has been responsible for Sunday evenings for over 10 years. This program features numerous stars and members going around various places, playing games, and completing missions. In particular, among the many fun elements of variety shows, this one focuses solely on laughter. Open your eyes! Big fun is coming in! Open your mouth! Big laughter is coming in! Open your heart! Useful lessons are coming in!

Gaus Electronics
The series is about the office workers of Marketing Team 3 at the home appliance headquarters of Gaus Electronics—a multinational company. It highlights the highs and lows of corporate life, and love and friendship between the employees.

Spy
The fictional story begins after the execution of real-life North Korean general Jang Sung-taek. One day an order comes down from North Korea, reactivating erstwhile spy Park Hye-rim who has spent decades in South Korea as an ordinary housewife. She is given the mission to turn and bring in her own son, Kim Seonu. Cool-headed, quick-witted genius Seonu is an information analyst on North Korea working for the NIS. His girlfriend Yoon-jin is a tour guide for Chinese tourists who cannot speak Chinese, and they fell in love when Seonu helped her translate. Hye-rim is suddenly forced to choose between her son and country, and risks her life to see the choice through.

A Year-End Medley
A romantic comedy of a young man and woman that is told in the background of hotel 'Emross'. It has stories of people who met each other at Hotel Emross during the New Year holidays. Each one has his own memory to relate and create relationships or just going nostalgic.

Suits
Choi Kyung Seo is a legendary lawyer at the top law firm in South Korea. He has charisma and an attractive appearance. He hires Go Yeon Woo as a rookie lawyer for the law firm. Go Yeon Woo has excellent memory.
Filmography
as Cha Na-rae
as Young-ju
as Hwang Bong-ryeon
as Han So-yeon
as Hae-joo
as Seo Eun-Ji
as Kim Ji-Na
as Shin Ja-young
as Shin Hee-min
as Yoon Joo-young
as Lee Yoon-jin
as Do-ha
as Kim Jae-hee
as Flight attendant Minamito
as Min-Young
as Jin-ah