See You at Work Tomorrow! (8.9)
Show · 2026
as Kang Si-woo
Seo In-guk
Born on October 23, 1987 in Ulsan, South Korea.
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).
Boyfriend on Demand (8.5)
Show · 2026
as Park Kyeong-nam
Death's Game (8.4)
Show · 2023
as Choi Yee-jae
Master's Sun (8.0)
Show · 2013
as Kang-woo
The Smile Has Left Your Eyes (8.0)
Show · 2018
as Kim Moo-Young
Reply 1997 (8.0)
Show · 2012
as Yoon Yoon-jae
Doom at Your Service (7.9)
Show · 2021
as Myul Mang / Kim Sa-ram
Shopaholic Louis (7.9)
Show · 2016
as Louie
Reply 1994 (7.8)
Show · 2013
as Yoon Yoon-jae
Squad 38 (7.8)
Show · 2016
as Yang Jung-do
Café Minamdang (7.6)
Show · 2022
as Nam Han-jun
High School King of Savvy (7.5)
Show · 2014
as Lee Min-seok / Lee Hyung-seok
Hello Monster (7.3)
Show · 2015
as Lee Hyun
Twelve (7.2)
Show · 2025
as Won-seung
Love Rain (6.9)
Show · 2012
as Kim Chang-mo & Kim Jeon-seol
Pipeline (6.7)
Movie · 2021
as Pindol / Kang Sae-dol / Drill-bit
No Breathing (6.6)
Movie · 2013
as Jo Won-il
Project Wolf Hunting (6.5)
Movie · 2022
as Park Jong-du
The Boys (6.2)
Movie · 2023
as Lee Jae-seok
The King's Face (5.6)
Show · 2014
as Prince Gwanghae
Another Parting (3.9)
Show · 2014
as Ahn Young Mo