Cast & creator
Koo Ja-sung
1992-09-22 (age 34)
Best known for Men on a Mission, The Secret Life of My Secretary, Misty
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).
Also known as: 具子成, کو جا-سونگ
Movies
1
film credits
Series
10
television credits
Career
11
2015–2026 · acting roles
Credit score
6.5
average across scored titles
Signature credits
Known for
Across film & television
Filmography (11)
Showing 11 of 11 credits
Series
★ 7.4
Men on a Mission
Self
2015
Series
★ 7.5
The Secret Life of My Secretary
Ki Dae-Joo
2019
Series
★ 7.4
Misty
Kwak Ki-seok
2018
Series
★ 6.8
Motel California
Cha Seung-eon
2025
Series
★ 6.7
Was It Love?
Oh Yun Woo
2020
Series
★ 8.0
Dunia: Into a New World
Koo Ja Sung
2018
Series
Naughty by Arrangement
Cha Kang-jun
2026
Series
★ 6.7
Sponsor
Hyun Seung-hoon
2022
Series
★ 3.8
Genesis
Kim Min Ki
2021
Series
★ 5.5
The Blue Sea
Sung Ki-su
2017
Movie
★ 4.8
The Siren
Park Dong-gyu
2021