Seo Ji-hoon

Acting • 1997-04-25 • 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

Known For

8.2

Revenge of Others

2022

7.9

My Lovely Liar

2023

8.2

Signal

2016

7.3

School 2017

2017

8.2

Prison Playbook

2017

7.0

Meow, the Secret Boy

2020

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Filmography

2025
My YouthTV
Kim Seok-ju • 12 episodes
★ 7.6
2024
The Midnight StudioTV
Yoon So Myeong • 2 episodes
★ 8.1
2024
TarotTV
Woo Jae Yoon [One Person Storage] • 1 episodes
★ 7.9
2024
BEGINS ≠ YOUTHTV
Kim Hwan • 12 episodes
★ 8.6
2024
The Destiny ChangerTV
Geum Tae-yeong • 6 episodes
★ 1.1
2024
On/OffTV
Jang Jun Chul • 2 episodes
2023
My Lovely LiarTV
Lee Kang-min • 16 episodes
★ 7.9
2023
Payback: Money and PowerTV
Developer Cha [Blue Net Developer] • 2 episodes
★ 6.2
2022
Revenge of OthersTV
Seok Jae-beom • 12 episodes
★ 8.2
2022
Seasons of BlossomTV
Lee Ha-min • 16 episodes
★ 5.4
2022
Blue Dragon Series AwardsTV
Self • 1 episodes
2021
ImitationTV
Yoon Bin • 1 episodes
★ 7.6
2020
Meow, the Secret BoyTV
Lee Jae-seon • 24 episodes
★ 7.0
2020
To All The Guys Who Loved MeTV
Park Do-Gyeom • 32 episodes
★ 7.1
2020
TouchTV
[Girl on the plane's boyfriend] • 1 episodes
★ 6.2
2019
Flower Crew: Joseon Marriage AgencyTV
Lee Soo • 16 episodes
★ 6.0
2018
MistyTV
Ha Myung Woo [Young] • 16 episodes
★ 7.4
2018
Mama Fairy and the WoodcutterTV
Kim Geum • 16 episodes
★ 7.0
2018
My First LoveTV
Young Kang Shin-Woo • 10 episodes
★ 6.4
2017
The Battleship IslandFilm
Joseon Draftee
★ 7.1
2017
Prison PlaybookTV
Min Shik [Ji Ho’s friend] • 4 episodes
★ 8.2
2017
School 2017TV
Yoon Kyung-woo • 16 episodes
★ 7.3
2017
Drama StageTV
Kim Young Hoon • 1 episodes
★ 4.0
2017
A Special Meal of the Weirdo 'Nara'TV
Go Shi Saeng • 4 episodes
★ 4.7
2017
Mepsi MeowTV
Yeon Woo • 10 episodes
2016
SignalTV
Jang Tae-jin • 6 episodes
★ 8.2
2016
Solomon's PerjuryTV
Bae Jun-young • 12 episodes
★ 7.0
2016
Matching! Boys ArcheryTV
Yoo Ji Wan • 8 episodes
★ 1.8
2016
The Legendary LackeyFilm
Jo Tae-woong
★ 4.0
2010
Running ManTV
★ 8.2
2010
KBS Drama SpecialTV
Jo Tae Woong • 1 episodes
★ 7.4