Seo Ji-hoon

Known for: Acting

Born: 1997-04-25 (age 29)

From: Daegu, South Korea

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

Filmography (31)

TV★ 7.6
My Youth
2025
as Kim Seok-ju
TV
On/Off
2024
as Jang Jun Chul
TV★ 7.9
Tarot
2024
as Woo Jae Yoon [One Person Storage]
TV★ 8.6
BEGINS ≠ YOUTH
2024
as Kim Hwan
TV★ 1.1
The Destiny Changer
2024
as Geum Tae-yeong
TV★ 8.1
The Midnight Studio
2024
as Yoon So Myeong
TV★ 7.8
My Lovely Liar
2023
as Lee Kang-min
TV★ 6.2
Payback: Money and Power
2023
as Developer Cha [Blue Net Developer]
TV★ 8.2
Revenge of Others
2022
as Seok Jae-beom
TV★ 5.4
Seasons of Blossom
2022
as Lee Ha-min
TV
Blue Dragon Series Awards
2022
as Self
TV★ 7.6
Imitation
2021
as Yoon Bin
TV★ 7.1
To All The Guys Who Loved Me
2020
as Park Do-Gyeom
TV★ 7.0
Meow, the Secret Boy
2020
as Lee Jae-seon
TV★ 6.2
Touch
2020
as [Girl on the plane's boyfriend]
TV★ 6.0
Flower Crew: Joseon Marriage Agency
2019
as Lee Soo
TV★ 7.0
Mama Fairy and the Woodcutter
2018
as Kim Geum
TV★ 7.4
Misty
2018
as Ha Myung Woo [Young]
TV★ 6.4
My First Love
2018
as Young Kang Shin-Woo
TV★ 4.0
Drama Stage
2017
as Kim Young Hoon
TV★ 8.2
Prison Playbook
2017
as Min Shik [Ji Ho’s friend]
MOVIE★ 7.2
The Battleship Island
2017
as Joseon Draftee
TV★ 7.3
School 2017
2017
as Yoon Kyung-woo
TV★ 4.7
A Special Meal of the Weirdo 'Nara'
2017
as Go Shi Saeng
TV
Mepsi Meow
2017
as Yeon Woo
TV★ 7.0
Solomon's Perjury
2016
as Bae Joon-Young
MOVIE★ 4.0
The Legendary Lackey
2016
as Jo Tae-woong
TV★ 1.8
Matching! Boys Archery
2016
as Yoo Ji Wan
TV★ 8.2
Signal
2016
as Jang Tae-jin
TV★ 8.2
Running Man
2010
TV★ 7.4
KBS Drama Special
2010
as Jo Tae Woong