Seo Kang-joon

Seo Kang-joon

Acting
Born 1993-10-12Gunpo, Gyeonggi, South Korea

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).

Movies (6)

The Beauty Inside
7.7

The Beauty Inside

2015Movie7.7
A Year-End Medley
7.2

A Year-End Medley

2021Movie7.2
My Love, My Bride
6.9

My Love, My Bride

2014Movie6.9
Summer Snow
7.0

Summer Snow

2015Movie7.0
Haneuljae’s Murder

Haneuljae’s Murder

2013Movie
Bomi's Room

Bomi's Room

2014Movie

TV Shows (28)

Home Alone
7.5

Home Alone

2013Series7.5
Law of the Jungle
5.7

Law of the Jungle

2011Series5.7
Running Man
8.2

Running Man

2010Series8.2
KBS Drama Special
7.4

KBS Drama Special

2010Series7.4
Boyfriend on Demand
8.4

Boyfriend on Demand

2026Series8.4
Busted!
7.8

Busted!

2018Series7.8
Undercover High School
8.0

Undercover High School

2025Series8.0
Are You Human?
8.1

Are You Human?

2018Series8.1
The Third Charm
6.2

The Third Charm

2018Series6.2
What Happens to My Family?
7.8

What Happens to My Family?

2014Series7.8
When the Weather Is Fine
7.3

When the Weather Is Fine

2020Series7.3
Good Doctor
8.0

Good Doctor

2013Series8.0
Roommate
8.2

Roommate

2014Series8.2
The Suspicious Housekeeper
5.0

The Suspicious Housekeeper

2013Series5.0
To the Beautiful You
6.8

To the Beautiful You

2012Series6.8
Hwajung
4.5

Hwajung

2015Series4.5
A Love Other Than Yours

A Love Other Than Yours

2026Series
Grid
6.9

Grid

2022Series6.9
Cunning Single Lady
7.6

Cunning Single Lady

2014Series7.6
Entourage
7.7

Entourage

2016Series7.7
Cheese in the Trap
7.0

Cheese in the Trap

2016Series7.0
Entertainer
6.6

Entertainer

2016Series6.6
WATCHER
7.9

WATCHER

2019Series7.9
Melon Music Awards

Melon Music Awards

2009Series
Idol Fever
1.0

Idol Fever

2017Series1.0
To Be Continued
5.5

To Be Continued

2015Series5.5
After School: Lucky or Not
4.7

After School: Lucky or Not

2013Series4.7
The Best Future
7.4

The Best Future

2014Series7.4