Seo Kang-joon
Actor
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).
Born1993-10-12
Place of BirthGunpo, Gyeonggi, South Korea
Known For
8.2
Running Man
ComedyReality
7.5
Home Alone
Reality
6.0
Law of the Jungle
Reality
7.4
KBS Drama Special
Drama
8.3
Boyfriend on Demand
ComedySci-Fi & Fantasy
7.8
Busted!
ComedyMystery
8.0
Undercover High School
Action & AdventureComedy
8.1
Are You Human?
Sci-Fi & FantasyDrama
7.8
What Happens to My Family?
DramaComedy
A Love Other Than Yours
Drama
6.2
The Third Charm
Drama
7.3
When the Weather Is Fine
Drama
7.0
Cheese in the Trap
ComedyDrama
8.2
Roommate
ComedyReality
7.0
Grid
Sci-Fi & FantasyMystery
4.5
Hwajung
Drama
8.0
Good Doctor
Drama
7.7
Entourage
Comedy
7.9
WATCHER
DramaMystery
7.6
Cunning Single Lady
ComedyDrama
6.8
To the Beautiful You
ComedyDrama
6.6
Entertainer
ComedyDrama
5.0
The Suspicious Housekeeper
MysteryFamily
Melon Music Awards
Reality