Park Seo-jun – Biography, Age, Korean Dramas & Movies

AUTHOR: | January 28, 2026 | 23 min. read

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Park Seo-jun
Rom-Com · Leading Man
박서준
Park Seo‑jun

KDW Fan Rating

Editorial scoring by KDW — not an objective metric.

Acting Skill80
Charisma92
Versatility80
Popularity93

Career Balance

Supporting (8)(16) Lead
Age37 years 7 months 22 days
NationalitySouth Korean
AgencyAwesome ENT (since July 2018, founded by his …
Debut2011
🏆Award
Winning
17Dramas
13Films

KDRAMAWORLDS.COM

🧔 Who Is Park Seo-jun?

Park Seo-jun spent late 2025 promoting Surely Tomorrow, a romantic drama that put him back in the register that made him famous years earlier — the earnest everyman falling for someone complicated, delivered with an ease that’s become his signature. It’s the mode Korean audiences associate with him most: Lee Young-joon in What’s Wrong with Secretary Kim, Park Sae-ro-yi in Itaewon Class, Ko Dong-man in Fight for My Way, three distinct leading-man archetypes united by the same lived-in warmth. Between them, he’s carried Korean romantic comedy on his shoulders for the better part of a decade.

That reputation has traveled. In 2023 he became the third Korean actor to join the Marvel Cinematic Universe, playing Prince Yan in The Marvels, and the same year he swapped rom-com charm for something bleaker as detective-turned-monster-hunter Jang Tae-sang in Gyeongseong Creature. His circle offscreen is just as visible as his filmography — he’s part of the “Wooga Squad,” a tight friend group with BTS’s V, actors Park Hyung-sik and Choi Woo-shik, and musician Peakboy that’s followed him through award shows, travel shows, and a very online Bichon Frise named Simba. A villain-coded lead role in the upcoming Born Guilty suggests he’s still stretching past the image that made him a star.

Surely Tomorrow
Surely Tomorrow

📋 Quick Profile

Full NamePark Seo-jun
Hangul박서준
Birth Date1988-12-16
Age37 years 7 months 22 days
BirthplaceSeoul, South Korea
NationalitySouth Korean
AgencyAwesome ENT (since July 2018, founded by his longtime manager Yang Geun Hwan); previously with Content Y, and before that KeyEast, where he began his career
EducationSeoul Arts High School; Acting Department, Seoul Institute of the Arts
DebutPerfect Game (2011, supporting role as Chil-goo)
Years Active2011–present

🚀 Career Timeline

2011
Perfect Game
Screen acting debut, supporting role
2015
Kill Me, Heal Me / She Was Pretty
Breakout leading roles on prime-time television
2017
Fight for My Way / Midnight Runners
Confirmed him as a star; Best New Actor sweep for Midnight Runners
2018
What’s Wrong with Secretary Kim
Cements his ‘king of rom-com’ reputation across Asia
2020
Itaewon Class
Global Netflix hit, major driver of his international fanbase
2023
The Marvels
Hollywood/MCU debut as Prince Yan, third Korean actor to join the franchise
2023
Gyeongseong Creature
Genre departure into horror-mystery, first major non-romantic lead
2025
Surely Tomorrow
Return to romance genre
None
Born Guilty
Upcoming Disney+ crime noir, first villain-coded lead role

Biography

🌱 Early Life

Park Seo-jun was born in Seoul on December 16, 1988, the eldest of three sons, and by his own account spent much of his childhood too shy to function comfortably in public — he’s said he couldn’t even order food at a restaurant without feeling embarrassed. He’d originally hoped to become a baseball player, but gave up the idea early: his father decided his younger brother was the more naturally gifted athlete of the two, and that settled the matter.

Acting entered the picture almost by accident, through an animation club he joined in middle school. Performing on the club’s annual stage, he found something he hadn’t expected — that he liked being watched, being the center of attention, in a way he never had been off a stage. It was a small discovery that eventually pointed him somewhere his shyness couldn’t follow him: toward a career built entirely on being looked at.

🎤 Career Beginnings

He came to acting sideways. After completing his mandatory military service, Park went back to university and found it dull — most of his friends had already graduated or moved on — so he took a leave of absence. Through a friend of a friend, he landed an audition with a talent agency; the head of the company offered him a contract on the spot, without asking him to perform anything. He found the offer strange enough to be suspicious, he’s said, but signed anyway, flattered that someone thought that highly of him sight unseen. That agency was KeyEast, run at the time by Yang Geun Hwan, who would later become his manager and, in 2018, the founder of his current label, Awesome ENT.

The roles that followed for the next three years were the unglamorous kind — small supporting parts in Dream High 2, Family, and the long-running daily drama Pots of Gold, work steady enough to make him a familiar face to casting directors without making him famous to anyone else. That changed in 2015. Kill Me, Heal Me and She Was Pretty arrived within months of each other and gave him his first sustained exposure on prime-time television, and Fight for My Way two years later — as a mixed martial artist whose physical confidence barely covered how unmoored he actually felt — turned him into a star Korean audiences specifically wanted to keep watching.

Fight for My Way
Fight for My Way

🎬 Acting Style

Park’s reputation rests on a specific kind of ease — critics and profiles have repeatedly described his performances as unforced and natural, built around ordinary, struggling Korean youth rather than heightened characters. One frequently cited assessment of his work in Witch’s Romance put it directly: watching him, “I really don’t see Park Seo Joon the actor; I only see Yoon Dong Ha the character.” That disappearing act, more than any single technical skill, is what’s kept him cast as a lead across more than a decade of romantic comedy.

The label “king of rom-com K-dramas” has followed him since What’s Wrong with Secretary Kim, but it undersells the range he’s shown elsewhere — the mixed martial artist in Fight for My Way, the deadpan action-comedy of Midnight Runners, the disaster-thriller pressure of Concrete Utopia, the horror-tinged detective work of Gyeongseong Creature. None of those roles call for the same warmth that made him famous, and he’s kept working in them anyway, treating rom-com as a specialty rather than a ceiling.

What's Wrong with Secretary Kim
What’s Wrong with Secretary Kim

✨ Legacy

Park’s biggest cultural export moment came through streaming, not theaters. Itaewon Class became one of Netflix’s most-watched Korean titles internationally after its 2020 premiere, and its success — alongside What’s Wrong with Secretary Kim’s earlier reach across Asia — helped make him one of the actors most responsible for exporting the modern K-drama rom-com formula worldwide. In 2023 that international profile crossed into Hollywood outright: he became the third Korean actor to join the Marvel Cinematic Universe, playing Prince Yan of Aladna in The Marvels.

He’s said the Marvel role mattered less for its screen time — under three minutes, by his own account — than for the access it gave him to how a Hollywood production actually runs, and he’s talked about it since more as research than as a victory lap. At home, his standing shows up in steadier ways: ambassador deals with Chanel and Lululemon, a YouTube channel that made him the first Korean actor to receive a Gold Play Button, and a fanbase large enough that his casting alone is treated as a commercial event before a single episode airs.

🔥 Notable Works & Iconic Roles

🎞️ Filmography

YearTitleCharacterRole
2025Surely TomorrowLee Kyeong-doLead
2024Gyeongseong Creature Season 2Jang Ho-jaeLead
2023Gyeongseong Creature Season 1Jang Tae-sangLead
2023Concrete UtopiaMin-seongLead
2023DreamYoon Hong-daeLead
2020Itaewon ClassPark Sae-ro-yiLead
2019The Divine FuryYong-huLead
2018What’s Wrong with Secretary KimLee Young-joonLead
2017Midnight RunnersKi-joonLead
2017Fight for My WayKo Dong-manLead
View complete filmography (53 credits)
YearTitleCharacterTypeRole
2026Unplanned Trip: Limited EditionPark Seo JunVarietySelf
2025Surely TomorrowLee Kyeong-doTV DramaLead
2024Marvel Studios Assembled: The Making of The MarvelsSelf – Prince Yan (archive footage)VarietySelf
2024Gyeongseong Creature Season 2Jang Ho-jaeTV DramaLead
2023Nattering with NahSelfVarietySelf
2023Gyeongseong Creature Season 1Jang Tae-sangTV DramaLead
2023The MarvelsPrince YanMovieSupporting
2023Jinny’s Kitchen: Team BuildingSelfVarietySelf
2023Concrete UtopiaMin-seongMovieLead
2023DreamYoon Hong-daeMovieLead
2023Jinny’s KitchenSelfVarietySelf
2022Young Actors’ RetreatVarietySelf
2022In the SOOP: FriendcationSelfVarietySelf
2021The Game CaterersSelfVarietySelf
2021Youn StaySelfVarietySelf
2020Record of YouthSong Min-sooTV DramaCameo
2020Itaewon ClassPark Sae-ro-yiTV DramaLead
2020Our Little Summer VacationSelfVarietySelf
2020IU’s PaletteSelf – GuestVarietySelf
2019You Quiz on the BlockSelfVarietySelf
2019The Divine FuryYong-huMovieLead
2019ParasiteMin-hyukMovieCameo
2019Sonsational: The Making of Son Heung-minHimselfVarietySelf
2019Three Meals a Day: Mountain VillageSelfVarietySelf
2018Be With YouJi-hoMovieSupporting
2018Youn’s KitchenSelfVarietySelf
2018What’s Wrong with Secretary KimLee Young-joonTV DramaLead
2017Midnight RunnersKi-joonMovieLead
2017RealBodyguardMovieCameo
2017Fight for My WayKo Dong-manTV DramaLead
2016Hwarang: The Poet Warrior YouthMoo Myung / Sun Woo-RangTV DramaLead
2015The Beauty InsideWoo-jin (age 60 segment)MovieCameo
2015The Chronicles of EvilCha Dong-jaeMovieSupporting
2015Kill Me, Heal MeOh Ri-onTV DramaLead
2015She Was PrettyJi Sung-joonTV DramaLead
2014Youth Over FlowersSelfVarietySelf
2014Witch’s RomanceYoon Dong-haTV DramaLead
2014Mamaolder Geu-rooTV DramaCameo
2014Running ManVarietySelf
2013The Sleeping WitchKim Him-chanMovieLead
2013One Warm WordSong Min-sooTV DramaSupporting
2013Pots of GoldPark Hyun-TaeTV DramaSupporting
2013Home AloneSelfVarietySelf
2012Dream High 2Si-wooTV DramaSupporting
2012FamilyCha Seo JoonTV DramaSupporting
2012Baeksang Arts AwardsSelfVarietySelf
2011Perfect GameChil-gooMovieSupporting
2009Melon Music AwardsMessengerVarietySelf
2009You Hee-yeol’s SketchbookSelfVarietySelf
20072 Days and 1 NightSelfVarietySelf
나는 반딧불이MovieUnclear
Born GuiltyPark Eon-jin / Paeng-yiTV DramaLead
SBS Drama AwardsHostVarietySelf

🏆 Awards & Honors

21
Wins
1
Nominations
CeremonyYearCategoryWorkResult
Blue Dragon Film Awards2015Popularity AwardThe Chronicles of Evil Won
MBC Drama Awards2015Excellent Actor (Miniseries)Kill Me, Heal Me / She Was Pretty Won
Grand Bell Awards2017Best New ActorMidnight Runners Won
Korean Film Critics Association Awards2017Best New ActorMidnight Runners Won
Asia Artist Awards2017Best Star AwardMidnight Runners / Fight for My Way Won
KBS Drama Awards2017Excellent Actor (Miniseries)Fight for My Way Won
Seoul International Drama Awards2018Outstanding Korean ActorWhat’s Wrong with Secretary Kim Won
The 6th Korea Drama Awards2013Male Rookie AwardPots of Gold Won
Herald Donga Lifestyle Award2014Best Style of the Year Won
SBS Drama Awards2014New Star AwardOne Warm Word Won
Midnight Runners
Midnight Runners
View all awards & nominations (22 entries)
CeremonyYearCategoryWorkResult
Fashionista Awards2015TV Fashion DivisionShe Was Pretty Won
MBC Drama Awards2015Ten Star AwardKill Me, Heal Me / She Was Pretty Won
MBC Drama Awards2015Best Netizen AwardKill Me, Heal Me / She Was Pretty Won
MBC Drama Awards2015Best Couple Award (with Ji Sung)Kill Me, Heal Me Won
Asia Artist Awards2017Fabulous Award Won
Korea Top Star Awards2017Popular Korean Movie Star AwardMidnight Runners Won
KBS Drama Awards2017Netizen AwardFight for My Way Won
KBS Drama Awards2017Best Couple Award (with Kim Ji-won)Fight for My Way Won
Film of the Year Awards2018Best New ActorMidnight Runners Won
Cosmo Beauty Awards2018Annual Shining Beauty Idol Won
Asian Film Awards2019Rising Star Award Won
Baeksang Arts Awards2020Best Actor – TelevisionItaewon Class Nominated

🚧 Recent & Upcoming Projects

Park spent 2023 everywhere at once — Gyeongseong Creature (both seasons), The Marvels, Concrete Utopia, and Dream all released within roughly twelve months of each other, stretching him across historical horror, a Hollywood blockbuster, disaster-thriller, and sports drama in the same calendar year. Gyeongseong Creature in particular marked his most significant genre departure yet, casting him as a hardened pawnshop owner turned monster hunter in Japanese-occupied 1945 Seoul rather than the rom-com lead audiences expected from him.

He returned to more familiar territory with Surely Tomorrow (also released as Waiting for Gyeongdo), a JTBC romantic drama that premiered in December 2025 casting him as an entertainment journalist navigating a complicated, slow-burn love story — a deliberate step back toward the genre that built his career. Ahead of him is a sharper turn: Born Guilty, a Disney+ crime noir adapted from a webtoon, casts him as an orphan clawing his way up through 1980s Seoul’s criminal underworld, his first genuinely villain-coded lead role. He’s also reported to make a cameo in Bloodhounds 2, though that appearance remains unconfirmed.

Gyeongseong Creature
Gyeongseong Creature

🤝 Brand Ambassador

Skechers · since 2021IAM Worldwide · since 2023Lululemon · since 2024Chanel · since 2024

💞 Personal Life

He completed his mandatory military service as a security guard at the Cheongju Correctional Facility, enlisting in 2008 at nineteen and being discharged in 2010, before he’d begun his acting career in earnest.

He has said he isn’t in a rush to marry and doesn’t plan to until his 40s, describing it as an experience he wants to have at least once in his life; no relationship has been publicly confirmed.

🎈 Fun Facts

  • His real name is Park Yong-kyu (박용규).
  • In 2019 he donated ₩100 million to Hope Bridge for wildfire relief in Gangwon Province, filing the donation under his legal name Park Yong-kyu so it wouldn’t be traced back to him — he reportedly kept it from his own agency.
  • In 2020 he donated ₩100 million to Daegu Metropolitan City for COVID-19 relief efforts.
  • In 2020 he became the first Korean actor to receive a YouTube Gold Play Button, hitting 1 million subscribers on his channel “Record PARK’s” in under a year.
  • He’s part of the “Wooga Squad,” a close friend group that also includes BTS’s V, actor Park Hyung-sik, actor Choi Woo-shik, and musician Peakboy.
  • He’s a fur parent to a white Bichon Frise named Simba, who occasionally accompanies him on set and is a frequent presence on his Instagram.

💬 Quotes

“I’m not someone who has a fear of challenges, but whether I am filming in South Korea or abroad, everything is a challenge for me. So, I did feel some nerves.”

On joining the Marvel Cinematic Universe for The Marvels — The Marvels press conference, South Korea, November 2023

“It was a valuable experience that doesn’t come easily in life. I took on that role, knowing how much screen time I had. I don’t feel upset about the amount of my screen time in the movie, because the main reason I joined the team was to experience the process of making a movie in Hollywood.”

Addressing criticism over his brief screen time in The Marvels — Press interview via SBS Star, January 17, 2024

“Being able to portray Gyeong-do was a very rewarding experience. I believed that Waiting for Gyeong-do relies heavily on the shared narrative between two protagonists, and the real question was how deeply we could convey that. It was a project that encourages you to think a bit more deeply about the idea of love.”

On returning to the romance genre with Surely Tomorrow (Waiting for Gyeongdo) — Surely Tomorrow production press conference, December 2025

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