Seo In-guk

Seo In-guk

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).

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Known For

Running Man

Running Man

2010

Home Alone

Home Alone

2013 • as Self

Law of the Jungle

Law of the Jungle

2011

You Hee-yeol's Sketchbook

You Hee-yeol's Sketchbook

2009 • as Self

SNL Korea

SNL Korea

2011 • as Self

Death's Game

Death's Game

2023 • as Choi Yee-jae

Filmography

2026

Boy
Boy
as Mad Hatter
Movie - Released: 1/14/2026
Boyfriend on Demand
Boyfriend on Demand
as Park Kyeong-nam
TV - Released: 3/6/2026
TV
Back to Work
as Kang Si-woo
TV - Released: 6/22/2026
TV
운명을 보는 회사원
as Choi Young-hoon
TV - Released: 12/7/2026

2025

Better Late Than Single
Better Late Than Single
as Self - Cupid Expert
TV - Released: 7/8/2025
Twelve
Twelve
as Won-seung
TV - Released: 8/23/2025

2024

Jungle Bob
Jungle Bob
TV - Released: 8/13/2024
ZIP DAESUNG
ZIP DAESUNG
as Self
TV - Released: 4/5/2024

2023

TRAP by SEO IN GUK
TRAP by SEO IN GUK
Movie - Released: 4/27/2023
The Boys
The Boys
as Lee Jae-seok
Movie - Released: 11/1/2023
Nattering with Nah
Nattering with Nah
as Self
TV - Released: 6/2/2023
Death's Game
Death's Game
as Choi Yee-jae
TV - Released: 12/15/2023
The Seasons
The Seasons
as Self
TV - Released: 2/5/2023

2022

Project Wolf Hunting
Project Wolf Hunting
as Park Jong-du
Movie - Released: 9/21/2022
Café Minamdang
Café Minamdang
as Nam Han-jun
TV - Released: 6/27/2022
Look, My Shoulder's Dislocated
Look, My Shoulder's Dislocated
as Self
TV - Released: 8/26/2022
Soundtrack #1
Soundtrack #1
as Jay Jun
TV - Released: 3/23/2022

2021

Pipeline
Pipeline
as Pindol / Kang Sae-dol / Drill-bit
Movie - Released: 5/26/2021
Navillera
Navillera
as Hwang Hee
TV - Released: 3/22/2021
Doom at Your Service
Doom at Your Service
as Myul Mang / Kim Sa-ram
TV - Released: 5/10/2021

2019

Abyss
Abyss
as Grim Reaper
TV - Released: 5/6/2019

2018

The Smile Has Left Your Eyes
The Smile Has Left Your Eyes
as Kim Moo-Young
TV - Released: 10/3/2018

2016

I Love That Crazy Little Thing
I Love That Crazy Little Thing
as Yang Ming-zhe
Movie - Released: 11/3/2016
Squad 38
Squad 38
as Yang Jung-do
TV - Released: 6/17/2016
Shopaholic Louis
Shopaholic Louis
as Louie
TV - Released: 9/21/2016

2015

She Was Pretty
She Was Pretty
as Self
TV - Released: 9/16/2015
I Remember You
I Remember You
as Lee Hyun
TV - Released: 6/22/2015
Oh My Ghost
Oh My Ghost
as Edward
TV - Released: 7/3/2015

2014

High School King of Savvy
High School King of Savvy
as Lee Min-seok / Lee Hyung-seok
TV - Released: 6/16/2014
The King's Face
The King's Face
as Prince Gwanghae
TV - Released: 11/19/2014
Another Parting
Another Parting
as Ahn Young Mo
TV - Released: 2/17/2014

2013

No Breathing
No Breathing
as Jo Won-il
Movie - Released: 10/31/2013
SBS: The Master's Sun - Making
SBS: The Master's Sun - Making
as Self
Movie - Released: 12/11/2013
Master's Sun
Master's Sun
as Kang-woo
TV - Released: 8/7/2013
Reply 1994
Reply 1994
as Yoon Yoon-jae
TV - Released: 10/18/2013
Home Alone
Home Alone
as Self
TV - Released: 3/22/2013

2012

Reply 1997
Reply 1997
as Yoon Yoon-jae
TV - Released: 7/24/2012
Love Rain
Love Rain
as Kim Chang-mo & Kim Jeon-seol
TV - Released: 3/26/2012
아들 녀석들
아들 녀석들
as Yoo Seung-Gi
TV - Released: 9/22/2012
Baeksang Arts Awards
Baeksang Arts Awards
as Self
TV - Released: 4/26/2012

2011

Law of the Jungle
Law of the Jungle
TV - Released: 10/21/2011
SNL Korea
SNL Korea
as Self
TV - Released: 12/3/2011

2010

Running Man
Running Man
TV - Released: 7/11/2010

2009

You Hee-yeol's Sketchbook
You Hee-yeol's Sketchbook
as Self
TV - Released: 4/24/2009
Superstar K
Superstar K
as Self - Participant
TV - Released: 7/24/2009

2002

KBS Entertainment Awards
KBS Entertainment Awards
as Host
TV - Released: 12/28/2002

1987

KBS Drama Awards
KBS Drama Awards
as Host
TV - Released: 12/31/1987