
Koo Ja-sung
Known for Acting · 11 credits
- Born
- 1992-09-22 (age 33)
- Also known as
- 具子成 · کو جا-سونگ
Biography
Goo Ja Sung is a South Korean actor and model. He made his acting debut in 2007. He has appeared in various dramas since his debut including, “Misty” (2018) and “The Secret Life of My Secretary” (2019).
Known For
TV Shows (10)

Men on a Mission
2015
as Self

The Secret Life of My Secretary
2019
as Ki Dae-Joo

Misty
2018
as Kwak Ki-seok

Was It Love?
2020
as Oh Yun Woo

Sponsor
2022
as Hyun Seung-hoon

Motel California
2025
as Cha Seung-eon

Genesis
2021
as Kim Min Ki

Dunia: Into a New World
2018
as Koo Ja Sung

Naughty by Arrangement
2026
as Cha Kang-jun

The Blue Sea
2017
as Sung Ki-su
Movies (1)
About Koo Ja-sung
Goo Ja Sung is a South Korean actor and model. He made his acting debut in 2007. He has appeared in various dramas since his debut including, “Misty” (2018) and “The Secret Life of My Secretary” (2019). With 11 credits spanning from 2015 to 2026, Koo Ja-sung has appeared in 1 film and 10 TV shows.
Fans searching for Koo Ja-sung movies, Koo Ja-sung filmography, or the latest projects starring Koo Ja-sung can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Koo Ja-sung Movies
- The Siren (2021) — as Park Dong-gyu
Where to Watch Koo Ja-sung Films
Most Koo Ja-sung movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Koo Ja-sung, check our movies catalogue and browse page.
