Koo Ja-sung is a South Korean actor and model.[1]

Koo Ja-sung
구자성
Koo Ja-sung in September 2019
Born (1992-09-22) September 22, 1992 (age 32)
NationalitySouth Korean
AgentPLK Entertainment
Koo Ja-sung
Hangul
구자성
Revised RomanizationKoo Ja-sung
McCune–ReischauerKu Chasŏng

Filmography

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Television series

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Year Títle Role Notes Ref.
2017 The Blue Sea Seong Ki-soo
2018 Misty Kwak Gi-seok [2][3]
2019 The Secret Life of My Secretary Ki Dae-joo [4]
2020 Was It Love? Oh Yeon Woo
2021 Drama Special – "Siren" Park Dong-gyu [5]
2022 Sponsor Hyun Seung-hoon [6][7]
2025 Motel California Cha Seung-eon [8]

Movies

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Year Title Role Notes
2007 Milky Way Liberation Front

Variety shows

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Year Show Notes
2018 Dunia: Into A New World (ep. #2-9) - member[9][10]

References

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  1. ^ 8 Rising Actors Who Caught Our Eyes Through Supporting Roles
  2. ^ JTBC | Misty Official Website
  3. ^ "Koo Ja-sung to star in "Misty" as Kim Nam-joo's junior reporter". HanCinema. Biz Enter. Retrieved January 15, 2018.
  4. ^ SBS | The Secret Life of My Secretary Official Website
  5. ^ Jeong Ji-eun (August 24, 2021). "최진혁-박성연-조달환-구자성, TV시네마 미스터리 스릴러극 '사이렌' 출연!" [Choi Jin-hyuk, Park Seong-yeon, Jo Dal-hwan, Koo Ja-seong to appear in TV Cinema Mystery Thriller 'Siren'!]. Korean Broadcasting System (in Korean). Naver. Retrieved August 24, 2021.
  6. ^ Moon Ji-yeon (July 16, 2021). "[공식] 구자성, '욕망' 출연 확정..주연 합류 예고" [[Official] Koo Ja-sung confirmed to appear in 'Desire'...]. Sports Chosun (in Korean). Naver. Retrieved July 16, 2021.
  7. ^ Son Jin-ah (August 6, 2021). "한채영·이지훈·지이수·구자성 '욕망', 11월 26일 첫 방송 확정" [Han Chae-young, Lee Ji-hoon, Ji I-soo, and Koo Ja-seong's 'Desire' to premiere on November 26]. MK Sports (in Korean). Naver. Retrieved August 6, 2021.
  8. ^ Kim, Kyung-hee (November 7, 2024). 구자성, '모텔 캘리포니아' 캐스팅...이세영X나인우 소꿉친구 연기 [Koo Ja-sung cast in 'Motel California'...Lee Se-young X Na In-woo childhood friends] (in Korean). iMBC. Retrieved November 8, 2024 – via Naver.
  9. ^ "출연진 소개 | 두니아". www.imbc.com. Retrieved 2019-06-23.
  10. ^ TVXQ’s Yunho, Jung Hye Sung, Kwon Hyun Bin, Koo Ja Sung and more Explore A New World In Upcoming Variety Show
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