Known For
Acting
Gender
Male
Birthday
April 25, 1997
Age
29
Place of Birth
Daegu, South Korea
Popularity
1.3
Seo Ji-hoon
Acting
Biography
Seo Ji-hoon is a South Korean actor under Management Koo. He debuted in the hit drama “Signal” as the villainous Jang Tae Jin. He later landed his first lead roles in “Matching Boys Archery” as the puppy-like Yoo Ji Wan. He enlisted in the military on February 3, 2026
Also known as
Seo Ji-Hun · 徐智勋 · Seo Ji Hoon · Seo Ji Hun
Latest News
Known For
8.2
Running Man
2010 · TV
7.4
KBS Drama Special
2010 · TV
4.0
Drama Stage
2017 · TV
8.2
Prison Playbook
2017 · TV
8.2
Revenge of Others
2022 · TV
8.2
Signal
2016 · TV
7.8
My Lovely Liar
2023 · TV
6.9
Meow, the Secret Boy
2020 · TV
7.6
Imitation
2021 · TV
6.0
Flower Crew: Joseon Marriage Agency
2019 · TV
8.1
The Midnight Studio
2024 · TV
7.3
School 2017
2017 · TV
Filmography
2025
My Youth
TV · Kim Seok-ju
7.5
2024
On/Off
TV · Jang Jun Chul
0.0
2024
Tarot
TV · Woo Jae Yoon [One Person Storage]
7.9
2024
BEGINS ≠ YOUTH
TV · Kim Hwan
8.6
2024
The Destiny Changer
TV · Geum Tae-yeong
1.1
2024
The Midnight Studio
TV · Yoon So Myeong
8.1
2023
My Lovely Liar
TV · Lee Kang-min
7.8
2023
Payback: Money and Power
TV · Developer Cha [Blue Net Developer]
6.2
2022
Revenge of Others
TV · Seok Jae-beom
8.2
2022
Seasons of Blossom
TV · Lee Ha-min
5.4
2022
Blue Dragon Series Awards
TV · Self
0.0
2021
Imitation
TV · Yoon Bin
7.6
2020
To All The Guys Who Loved Me
TV · Park Do-Gyeom
6.8
2020
Meow, the Secret Boy
TV · Lee Jae-seon
6.9
2020
Touch
TV · [Girl on the plane's boyfriend]
6.2
2019
Flower Crew: Joseon Marriage Agency
TV · Lee Soo
6.0
2018
Mama Fairy and the Woodcutter
TV · Kim Geum
7.0
2018
Misty
TV · Ha Myung Woo [Young]
7.4
2018
My First Love
TV · Young Kang Shin-Woo
6.4
2017
Drama Stage
TV · Kim Young Hoon
4.0
2017
Prison Playbook
TV · Min Shik [Ji Ho’s friend]
8.2
2017
The Battleship Island
Movie · Joseon Draftee
7.2
2017
School 2017
TV · Yoon Kyung-woo
7.3
2017
A Special Meal of the Weirdo 'Nara'
TV · Go Shi Saeng
4.7