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Seo Kang-joon

Personal Information

Known ForActing
GenderMale
Birth DateOct 12, 1993 (33 years old)
Zodiac Sign♎Libra
Place of BirthGunpo, Gyeonggi, South Korea
Career Span2009 – Present (18 yrs)
Known Credits35 Titles
Official Links
IMDbInstagramWWikidata
ActingPopularity Score 3.1

Seo Kang-joon

Also known as:서강준Seo Kang-junKang-joon SeoKang-jun Seo+4 more
Total Works

35

7 movies • 28 shows

Avg Rating

7.4 / 10

across rated releases

Box Office

—

worldwide gross

Global Reach

#3

TMDB star index

Biography

Lee Seung-hwan (born October 12, 1993), known professionally as Seo Kang-joon, is a South Korean actor and former singer, who was a member of the group 5urprise. He gained recognition with his role in the television series Cheese in the Trap (2016) and has since starred in Are You Human? (2018), Watcher (2019), When The Weather Is Fine (2020), Grid (2022), Undercover High School (2025), and Boyfriend on Demand (2026).

Signature Roles & Milestones

Are You Human?
8.1
Are You Human?
2018•series
as Nam Shin / Nam Shin III
The Beauty Inside
7.6
The Beauty Inside
2015•movie
as Woo-jin 92
Running Man
8.2
Running Man
2010•series
A Year-End Medley
7.2
A Year-End Medley
2021•movie
as Yi-kang

Photos & Headshots10

Full Filmography & Credits

Showing 35 titles featuring Seo Kang-joon

Are You Human?
8.1
36 eps
Are You Human?
2018•series

as Nam Shin / Nam Shin III

The Beauty Inside
7.6
The Beauty Inside
2015•movie

as Woo-jin 92

Running Man
8.2
1 eps
Running Man
2010•series
A Year-End Medley
7.2
A Year-End Medley
2021•movie

as Yi-kang

Boyfriend on Demand
8.4
5 eps
Boyfriend on Demand
2026•series

as Seo Eun-ho

Cheese in the Trap
7.0
16 eps
Cheese in the Trap
2016•series

as Baek In-ho

Good Doctor
8.0
1 eps
Good Doctor
2013•series

as One of the punks who wants to beat Shi On

When the Weather Is Fine
7.3
16 eps

as Im Eun-seop

Grid
6.9
10 eps
Grid
2022•series

as Kim Sae-ha

Undercover High School
8.0
12 eps

as Jeong Hae-sung

Busted!
7.8
1 eps
Busted!
2018•series

as Kang-Joon Seo

My Love, My Bride
6.9
My Love, My Bride
2014•movie

as Joon-soo

To the Beautiful You
6.8
3 eps

as One of the guys putting ghost makeup on Song Jong Min's group

The Best Future
7.5
5 eps
The Best Future
2014•series

as Choi Go

To Be Continued
5.5
12 eps
To Be Continued
2015•series

as Ah-rin's elder brother

Cunning Single Lady
7.6
16 eps
Cunning Single Lady
2014•series

as Gook Seung-hyun

WATCHER
7.9
16 eps
WATCHER
2019•series

as Kim Young-Koon

The Third Charm
6.2
16 eps
The Third Charm
2018•series

as On Joon Young

Entertainer
6.6
2 eps
Entertainer
2016•series

as Lee Sang-Won

Home Alone
7.5
1 eps
Home Alone
2013•series

as Self

Hwajung
4.5
50 eps
Hwajung
2015•series

as Hong Joo-won

What Happens to My Family?
7.8
53 eps

as Yoon Eun-Ho

Law of the Jungle
5.5
9 eps
Law of the Jungle
2011•series
Entourage
7.7
16 eps
Entourage
2016•series

as Cha Young-Bin

Roommate
8.2
46 eps
Roommate
2014•series

as Self

KBS Drama Special
7.4
1 eps
KBS Drama Special
2010•series
The Suspicious Housekeeper
5.0
20 eps

as Choi Soo Hyuk

After School: Lucky or Not
4.7
24 eps
A Love Other Than Yours
6.3
14 eps

as Namgung Ho

Summer Snow
7.0
Summer Snow
2015•movie

as Sang-gyu

Idol Fever
1.0
10 eps
Idol Fever
2017•series

as Do Yun's older brother

Bomi's Room
Bomi's Room
2014•movie

as Self

Haneuljae’s Murder

as 尹河

Nambeol
movie
Melon Music Awards
1 eps
Melon Music Awards
2009•series

as Messenger