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Kim Young-sung

Cast & creator

Kim Young-sung

1985-08-27 (age 41)

Best known for Good Boy, The Roundup, Grid

Also known as: 김영성, Кім Йон-сон, 金永声

Movies

9

film credits

Series

3

television credits

Career

12

2015–2026 · acting roles

Credit score

7.0

average across scored titles

Signature credits

Known for

Ordered by popularity

Good Boy

Good Boy

Ji Ho-cheol · 2025

The Roundup

The Roundup

Kim Gi-baek · 2022

Grid

Grid

[Detective] · 2022

The Journey to Gyeong-ju

The Journey to Gyeong-ju

Seok-man · 2026

Chief Detective 1958

Chief Detective 1958

Lee Jung-jae · 2024

Across film & television

Filmography (12)

Search filmography

Showing 12 of 12 credits

Good Boy

Good Boy

Ji Ho-cheol

The Roundup

The Roundup

Kim Gi-baek

Grid

Grid

[Detective]

The Journey to Gyeong-ju

The Journey to Gyeong-ju

Seok-man

Chief Detective 1958

Chief Detective 1958

Lee Jung-jae

The Swordsman

The Swordsman

Vice Boss

Salmokji: Whispering Water

Salmokji: Whispering Water

Song Gyeong-tae

A Day

A Day

Tow Truck Driver

The Beast

The Beast

Detective

Sugar

Sugar

Cha-seon

Tylenol

Tylenol

Doo-Ho

Big Sleep

Big Sleep

Gi-young