Biography
Seo In-guk (born October 23, 1987), is a South Korean singer-songwriter and actor. He began his singing career after winning the talent reality show Superstar K in 2009, and made his acting breakthrough in Reply 1997 (2012). Since then, he has starred in television series, High School King of Savvy (2014), Hello Monster (2015), Shopping King Louie (2016), and Death's Game (2023).
Acting credits 23 titles
Better Late Than Single: After Service
as Self
Series
2026
8.3
See You at Work Tomorrow!
as Kang Si-woo
Series
2026
8.9
Boyfriend on Demand
as Park Kyeong-nam
Series
2026
8.4
Boy
as Mad Hatter
Film
2026
8.0
Twelve
as Won-seung
Series
2025
7.2
Better Late Than Single
as Self - Cupid Expert
Series
2025–
8.2
Death's Game
as Choi Yee-jae
Series
2023–2024
8.4
The Boys
as Lee Jae-seok
Film
2023
6.5
Project Wolf Hunting
as Park Jong-du
Film
2022
6.4
Café Minamdang
as Nam Han-jun
Series
2022
7.6
Pipeline
as Pindol / Kang Sae-dol / Drill-bit
Film
2021
6.9
Doom at Your Service
as Myul Mang / Kim Sa-ram
Series
2021
7.9
The Smile Has Left Your Eyes
as Kim Moo-Young
Series
2018
8.0
Shopaholic Louis
as Louie
Series
2016
7.9
I Love That Crazy Little Thing
as Yang Ming-zhe
Film
2016
4.7
Squad 38
as Yang Jung-do
Series
2016
7.8
Hello Monster
as Lee Hyun
Series
2015
7.3
The King's Face
as Prince Gwanghae
Series
2014–2015
5.6
High School King of Savvy
as Lee Min-seok / Lee Hyung-seok
Series
2014
7.5
Another Parting
as Ahn Young Mo
Series
2014
3.9
Master's Sun
as Kang-woo
Series
2013
8.0
Reply 1997
as Yoon Yoon-jae
Series
2012
8.0
Love Rain
as Kim Chang-mo & Kim Jeon-seol
Series
2012
6.9
이 필터에 맞는 작품이 없어요.
아직 발표된 작품이 없어요.
대표작
7.3
Series
Hello Monster
Lee Hyun
2015
8.9
Series
See You at Work Tomorrow!
Kang Si-woo
2026
8.4
Series
Death's Game
Choi Yee-jae
2023–2024
8.4
Series
Boyfriend on Demand
Park Kyeong-nam
2026
7.9
Series
Doom at Your Service
Myul Mang / Kim Sa-ram
2021
6.4
Film
Project Wolf Hunting
Park Jong-du
2022
8.2
Series
Better Late Than Single
Self - Cupid Expert
2025–
7.2
Series
Twelve
Won-seung
2025
8.0
Series
Master's Sun
Kang-woo
2013
8.0
Series
The Smile Has Left Your Eyes
Kim Moo-Young
2018
7.9
Series
Shopaholic Louis
Louie
2016
7.8
Series
Squad 38
Yang Jung-do
2016
8.0
Series
Reply 1997
Yoon Yoon-jae
2012
7.5
Series
High School King of Savvy
Lee Min-seok / Lee Hyung-seok
2014
6.9
Series
Love Rain
Kim Chang-mo & Kim Jeon-seol
2012
7.6
Series
Café Minamdang
Nam Han-jun
2022
5.6
Series
The King's Face
Prince Gwanghae
2014–2015
8.3
Series
Better Late Than Single: After Service
Self
2026
6.9
Film
Pipeline
Pindol / Kang Sae-dol / Drill-bit
2021
3.9
Series
Another Parting
Ahn Young Mo
2014
4.7
Film
I Love That Crazy Little Thing
Yang Ming-zhe
2016
6.5
Film
The Boys
Lee Jae-seok
2023
8.0
Film
Boy
Mad Hatter
2026