Portrait of Koo Ja-sung

Acting

Koo Ja-sung

Career

Active from 2017 to 2026, with up to 1 main title a year.

Leading roles
3
top three billing
Average score
GoodWatch score70/100
Highest rated
Poster for The Secret Life of My Secretary
The Secret Life of My Secretary
GoodWatch score73/100

What stands out

Compared with the average well-known movie, over 4 of their titles. Select a trait to filter titles.

Energy: 2.7 versus catalog average 4.6EnergyHeart: 5.5 versus catalog average 4.2HeartHumor: 3.0 versus catalog average 2.6HumorWorld: 5.8 versus catalog average 5.6WorldCraft: 5.5 versus catalog average 5.3CraftStyle: 6.0 versus catalog average 5.9Style
Koo Ja-sung Catalog average

Rarely in their work

  • Violence
    1.2, average 4.1
  • Historical
    0.1, average 2.6
  • Crime
    1.3, average 3.6
  • Scare
    0.4, average 2.6

Main genres

Select a genre to see those titles.

Recurring tags

  • Romantic Comedy 2

Works often with

People in at least two of their main titles.

    Movies and TV shows

    10
    Type
    Role
    Score
    Decade
    Genre
    Group by

    2020s

    6 titles ยท average score 68
    Naughty by Arrangement
    Naughty by Arrangement (2026)

    TV show ยท as Cha Kang-jun

    Motel California
    Motel California (2025)
    GoodWatch score 66

    TV show ยท as Cha Seung-eon

    Sponsor
    Sponsor (2022)

    TV show ยท as Hyun Seung-hoon

    The Siren
    The Siren (2021)

    as Park Dong-gyu

    Genesis
    Genesis (2021)

    TV show ยท as Kim Min Ki

    Was It Love?
    Was It Love? (2020)
    GoodWatch score 71

    TV show ยท as Oh Yun Woo

    2010s

    4 titles ยท average score 74
    The Secret Life of My Secretary
    The Secret Life of My Secretary (2019)
    GoodWatch score 73

    TV show ยท as Ki Dae-Joo

    Misty
    Misty (2018)
    GoodWatch score 75

    TV show ยท as Kwak Ki-seok

    Dunia: Into a New World
    Dunia: Into a New World (2018)

    TV show ยท as Koo Ja Sung

    The Blue Sea
    The Blue Sea (2017)

    TV show ยท as Sung Ki-su