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).
2026Better Late Than Single: After ServiceTV showas Self · 6 episodes2026See You at Work Tomorrow!TV showas Kang Si-woo · 12 episodes2026Boyfriend on DemandTV showas Park Kyeong-nam · 10 episodes
2026BoyMovieas Mad Hatter2025TwelveTV showas Won-seung · 8 episodes
2025Better Late Than SingleTV showas Self - Cupid Expert · 20 episodes
2024Jungle BobTV showas Self · 8 episodes
2024ZIP DAESUNGTV showas Self · 1 episodes
2024Here for PromoTV showas Self · 2 episodes2023Death's GameTV showas Choi Yee-jae · 8 episodes
2023The BoysMovieas Lee Jae-seok
2023Nattering with NahTV showas Self · 1 episodes
2023TRAP by SEO IN GUKMovieDirector
2023The SeasonsTV showas Self · 1 episodes2022Project Wolf HuntingMovieas Park Jong-du
2022Look, My Shoulder's DislocatedTV showas Self · 2 episodes2022Café MinamdangTV showas Nam Han-jun · 18 episodes2022Soundtrack #1TV showas Jay Jun · 1 episodes2021PipelineMovieas Pindol / Kang Sae-dol / Drill-bit2021Doom at Your ServiceTV showas Myul Mang / Kim Sa-ram · 16 episodes2021NavilleraTV showas Hwang Hee · 1 episodes2019AbyssTV showas Grim Reaper · 1 episodes2018The Smile Has Left Your EyesTV showas Kim Moo-Young · 16 episodes2016Shopaholic LouisTV showas Louie · 16 episodes
2016I Love That Crazy Little ThingMovieas Yang Ming-zhe
2016Squad 38TV showas Yang Jung-do · 16 episodes2015She Was PrettyTV showas Self · 1 episodes2015Oh My GhostTV showas Edward · 1 episodes2015Hello MonsterTV showas Lee Hyun · 16 episodes
2014The King's FaceTV showas Prince Gwanghae · 24 episodes
2014High School King of SavvyTV showas Lee Min-seok / Lee Hyung-seok · 17 episodes
2014Another PartingTV showas Ahn Young Mo · 5 episodes
2013SBS: The Master's Sun - MakingMovieas Self
2013No BreathingMovieas Jo Won-il2013Reply 1994TV showas Yoon Yoon-jae · 3 episodes2013Master's SunTV showas Kang-woo · 17 episodes
2013Home AloneTV showas Self · 14 episodes
2012아들 녀석들TV showas Yoo Seung-Gi · 50 episodes2012Reply 1997TV showas Yoon Yoon-jae · 16 episodes
2012Baeksang Arts AwardsTV showas Self · 1 episodes
2012Love RainTV showas Kim Chang-mo & Kim Jeon-seol · 20 episodes
2011SNL KoreaTV showas Self · 1 episodes
2011Law of the JungleTV show10 episodes2010Running ManTV show1 episodes
2009Superstar KTV showas Self - Participant · 12 episodes
2009You Hee-yeol's SketchbookTV showas Self · 5 episodes
2002KBS Entertainment AwardsTV showas Host · 1 episodes
1987KBS Drama AwardsTV showas Host · 1 episodes