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Personal Info
Known For
Acting
Birthday
October 23, 1987
Place of Birth
Ulsan, South Korea
Also Known As
- In Guk Seo
- Seo In-guk
- 서인국
- Seo In-gook
- 徐仁国
- Seo In Kook
- 徐仁國
- Со Ин Гук
- Со Ин-гук
Seo In-guk
1.5 Popularity
Biography
Seo In-guk (서인국) is a South Korean singer and actor. He launched his singing career after winning the talent reality show Superstar K in 2009, and made his acting breakthrough in tvN's Reply 1997.
Known For
Credits
Boy
as Mad Hatter
2026
0.0
Twelve
as Won-seung
2025
7.3
Better Late Than Single
as Self - Cupid Expert
2025
8.2
Jungle Bob
2024
9.0
ZIP DAESUNG
as Self
2024
7.5
Death's Game
as Choi Yee-jae
2023
8.4
The Boys
as Lee Jae-seok
2023
6.6
Nattering with Nah
as Self
2023
10.0
TRAP by SEO IN GUK
2023
0.0
The Seasons
as Self
2023
7.5
Project Wolf Hunting
as Park Jong-du
2022
6.4
Look, My Shoulder's Dislocated
as Self
2022
0.0
Café Minamdang
as Nam Han-jun
2022
7.6
Soundtrack #1
as Jay Jun
2022
7.7
Pipeline
as Pindol / Kang Sae-dol / Drill-bit
2021
7.0
Doom at Your Service
as Myul Mang / Kim Sa-ram
2021
7.9
Navillera
as Hwang Hee
2021
8.6
Abyss
as Grim Reaper
2019
8.1
The Smile Has Left Your Eyes
as Kim Moo-Young
2018
8.0
I Love That Crazy Little Thing
as Yang Ming-zhe
2016
4.7
Shopaholic Louis
as Louie
2016
7.9
Squad 38
as Yang Jung-do
2016
7.8
She Was Pretty
as Himself
2015
8.3
Oh My Ghost
as Edward
2015
8.1
I Remember You
as Lee Hyun
2015
7.3
The King's Face
as Prince Gwanghae
2014
5.7
High School King of Savvy
as Lee Min-seok / Lee Hyung-seok
2014
7.5
Another Parting
as Ahn Young Mo
2014
3.9
SBS: The Master's Sun - Making
as Himself
2013
6.0
No Breathing
as Jo Won-il
2013
6.6
Reply 1994
as Yoon Yoon-jae
2013
7.8
Master's Sun
as Kang-woo
2013
8.0
Home Alone
as Self
2013
7.4
아들 녀석들
as Yoo Seung-Gi
2012
0.0
Reply 1997
as Yoon Yoon-jae
2012
8.0
Baeksang Arts Awards
as Self
2012
0.0
Love Rain
as Kim Chang-mo & Kim Jeon-seol
2012
6.9
SNL Korea
as Self
2011
8.2
Law of the Jungle
2011
6.0
Running Man
2010
8.3
Superstar K
as Self - Participant
2009
0.0
You Hee-yeol's Sketchbook
as Self
2009
6.3
KBS Entertainment Awards
as Host
2002
8.0
KBS Drama Awards
as Host
1987
8.0
🎬
Boyfriend on Demand
as Park Kyeong-nam
N/A
0.0
🎬
Back to Work
as Kang Si-woo
N/A
0.0