Seo Kang-joon
Known for: Acting
Born: October 12, 1993
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).
Known for
Haneuljae’s Murder
2013
My Love, My Bride
2014
A Year-End Medley
2021
Summer Snow
2015
Law of the Jungle
2011
Bomi's Room
2014
Cunning Single Lady
2014
Hwajung
2015
Grid
2022
The Suspicious Housekeeper
2013
Roommate
2014
Cheese in the Trap
2016
Entourage
2016
To Be Continued
2015
The Beauty Inside
2015
Running Man
2010
Good Doctor
2013
Idol Fever
2017
To the Beautiful You
2012
Entertainer
2016
What Happens to My Family?
2014
Are You Human?
2018
The Third Charm
2018
KBS Drama Special
2010
The Best Future
2014
After School: Lucky or Not
2013
Undercover High School
2025
WATCHER
2019
Melon Music Awards
2009
When the Weather Is Fine
2020
Home Alone
2013
Busted!
2018
A Love Other Than Yours
2026
Boyfriend on Demand
2026