Acting credits
48
Established
Large and steady acting portfolio.
Actor
Seo In-guk
Acting
Career Snapshot
ExplainedThese indicators come from TMDB. They are relative signals, not review ratings.
TMDB popularity
2.3
Moderate attention
TMDB internal trend index. Higher usually means more searches and page activity now.
Movies: 8Series: 40Crew credits: 1
TMDB ID: 1255411
IMDb ID: nm5364609
Known for: Acting
Born: October 23, 1987
Age: 38
Place of birth: Ulsan, South Korea
Gender: Male
Adult content flag: No
Career span: 1987 - 2026
Years active: 40
Average TMDB rating: 7.78
Wikidata: Q491648
Also known as
In Guk Seo • Seo In-guk • Seo In-gook • Seo In Kook
Other jobs
Director (1)
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).
Photos
Movies
Movies
Movie credits linked with Seo In-guk.
Boy
as Mad Hatter
2026 Movie
The Boys
as Lee Jae-seok
2023 Movie
TRAP by SEO IN GUK
2023 Movie
Project Wolf Hunting
as Park Jong-du
2022 Movie
Pipeline
as Pindol / Kang Sae-dol / Drill-bit
2021 Movie
I Love That Crazy Little Thing
as Yang Ming-zhe
2016 Movie
SBS: The Master's Sun - Making
as Self
2013 Movie
No Breathing
as Jo Won-il
2013 Movie
Series
Series
Series credits linked with Seo In-guk.
Better Late Than Single: After Service
as Self • 6 eps
2026 Series
See You at Work Tomorrow!
as Kang Si-woo • 12 eps
2026 Series
Boyfriend on Demand
as Park Kyeong-nam • 10 eps
2026 Series
Twelve
as Won-seung • 8 eps
2025 Series
Better Late Than Single
as Self - Cupid Expert • 20 eps
2025 Series
Jungle Bob
as Self • 8 eps
2024 Series
ZIP DAESUNG
as Self • 1 eps
2024 Series
Here for Promo
as Self • 2 eps
2024 Series
Death's Game
as Choi Yee-jae • 8 eps
2023 Series
Nattering with Nah
as Self • 1 eps
2023 Series
The Seasons
as Self • 1 eps
2023 Series
Look, My Shoulder's Dislocated
as Self • 2 eps
2022 Series
Café Minamdang
as Nam Han-jun • 18 eps
2022 Series
Soundtrack #1
as Jay Jun • 1 eps
2022 Series
Doom at Your Service
as Myul Mang / Kim Sa-ram • 16 eps
2021 Series
Navillera
as Hwang Hee • 1 eps
2021 Series
Abyss
as Grim Reaper • 1 eps
2019 Series
The Smile Has Left Your Eyes
as Kim Moo-Young • 16 eps
2018 Series
Shopaholic Louis
as Louie • 16 eps
2016 Series
Squad 38
as Yang Jung-do • 16 eps
2016 Series
She Was Pretty
as Self • 1 eps
2015 Series
Oh My Ghost
as Edward • 1 eps
2015 Series
Hello Monster
as Lee Hyun • 16 eps
2015 Series
The King's Face
as Prince Gwanghae • 24 eps
2014 Series