Seo In-guk

actor • soundtrack

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.

Born: October 23, 1987 in Ulsan, South Korea (age 37)

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Known For

6.3

Death's Game

Movies & TV Credits

51 total credits across film and television

Title	Rating	Job	Role(s)	Year
Boyfriend on Demand TV Show	—	Actor	—(1 Episode)	2025
Boyfriend on Demand TV Show	—	Actor	Park Kyeong-nam(1 Episode)	2025
내일도 출근! TV Show	—	Actor	Kang Si-hoo(1 Episode)	2025
Jungle BoB TV Show	—	Actor	Self(8 Episodes)	2024
Twelve TV Show	—	Actor	Won-seung(8 Episodes)	2024
Jungle BoB TV Show	—	Actor	—(8 Episodes)	2024
TRAP by SEO IN GUK Movie	—	Actor	—	2023
In Your Brilliant Season TV Show	—	Actor	Sunwoo Chan(1 Episode)	2023
Death's Game TV Show	8.4	Actor	Choi Yee-jae(8 Episodes)	2023
Nattering with Nah TV Show	—	Actor	Self(1 Episode)	2023
The Seasons TV Show	—	Actor	Self(1 Episode)	2023
The Boys Movie	6.5	Actor	Lee Jae-seok	2023
TRAP by SEO IN GUK Movie	—	Directing	Director	2023
Project Wolf Hunting Movie	6.3	Actor	Park Jong-du	2022
Cafe Minamdang TV Show	7.5	Actor	Nam Han-jun(18 Episodes)	2022
Soundtrack #1 Limited Series	7.6	Actor	Jay Jun(1 Episode)	2022
Look, My Shoulder's Dislocated TV Show	—	Actor	Self(2 Episodes)	2022
Pipeline Movie	6.2	Actor	Pindol / Kang Sae-dol / Drill-bit	2021
Doom at Your Service TV Show	8.0	Actor	Myul Mang / Kim Sa-ram(16 Episodes)	2021
Navillera TV Show	8.6	Actor	Hwang Hee(1 Episode)	2021
Abyss TV Show	7.3	Actor	Grim Reaper(1 Episode)	2019
The Smile Has Left Your Eyes TV Show	7.9	Actor	Kim Moo-Young(16 Episodes)	2018
I Love That Crazy Little Thing Movie	5.1	Actor	Yang Ming-zhe	2016
Shopping King Louie TV Show	7.7	Actor	Louie(16 Episodes)	2016
Squad 38 TV Show	7.7	Actor	Yang Jung-do(16 Episodes)	2016
Hello Monster TV Show	7.6	Actor	Lee Hyun(16 Episodes)	2015
Oh My Ghost TV Show	8.0	Actor	Edward(1 Episode)	2015
She Was Pretty TV Show	7.8	Actor	Himself(1 Episode)	2015
The King's Face TV Show	6.6	Actor	Prince Gwanghae(24 Episodes)	2014
High School King of Savvy TV Show	6.9	Actor	Lee Min-seok / Lee Hyung-seok(17 Episodes)	2014
Another Parting Limited Series	6.5	Actor	Ahn Young Mo(5 Episodes)	2014
No Breathing Movie	6.6	Actor	Jo Won-il	2013
SBS: The Master's Sun - Making Movie	—	Actor	Himself	2013
I Live Alone TV Show	7.1	Actor	Self(14 Episodes)	2013
Reply 1994 TV Show	7.6	Actor	Yoon Yoon-jae(3 Episodes)	2013
The Master's Sun TV Show	8.1	Actor	Kang-woo(17 Episodes)	2013
Love Rain TV Show	7.3	Actor	Kim Chang-mo & Kim Jeon-seol(20 Episodes)	2012
Reply 1997 TV Show	8.0	Actor	Yoon Yoon-jae(16 Episodes)	2012
Baeksang Arts Awards TV Show	—	Actor	Self(1 Episode)	2012
아들 녀석들 TV Show	—	Actor	Yoo Seung-Gi(50 Episodes)	2012
Law of the Jungle TV Show	8.1	Actor	—(10 Episodes)	2011
Saturday Night Live Korea TV Show	6.6	Actor	Self(1 Episode)	2011
Running Man TV Show	8.9	Actor	Self(1 Episode)	2010
Running Man TV Show	8.9	Actor	—(1 Episode)	2010
You Hee-yeol's Sketchbook TV Show	—	Actor	Self(5 Episodes)	2009
Superstar K TV Show	—	Actor	Self - Participant(12 Episodes)	2009
KBS Entertainment Awards TV Show	—	Actor	Host(1 Episode)	2002
KBS Drama Awards TV Show	—	Actor	Host(1 Episode)	1987
Boy Movie	—	Actor	Mad Hatter	—
Smoking Gun TV Show	—	Actor	Kim Do Young(1 Episode)	—
Jikpil TV Show	—	Actor	Kwon Soo-young(1 Episode)	—

Seo In-guk

Known For

Project Wolf Hunting

The Master's Sun

Doom at Your Service

Death's Game

Movies & TV Credits