Seo Kang-joon
Acting
1993-10-12 · Gunpo, Gyeonggi, South Korea
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).
Filmography
A Love Other Than Yours
2026 · Series
Boyfriend on Demand
2026 · Series
Undercover High School
2025 · Series
Just an Excuse
2022 · Series
Grid
2022 · Series
A Year-End Medley
2021 · Movie
When the Weather Is Fine
2020 · Series
WATCHER
2019 · Series
The Third Charm
2018 · Series
Are You Human?
2018 · Series
Busted!
2018 · Series
Idol Fever
2017 · Series
Entourage
2016 · Series
Entertainer
2016 · Series
Cheese in the Trap
2016 · Series
Summer Snow
2015 · Movie
The Beauty Inside
2015 · Movie
To Be Continued
2015 · Series
Hwajung
2015 · Series
The Best Future
2014 · Series
My Love, My Bride
2014 · Movie
Bomi's Room
2014 · Movie
What Happens to My Family?
2014 · Series
Roommate
2014 · Series
Cunning Single Lady
2014 · Series
Haneuljae’s Murder
2013 · Movie
The Suspicious Housekeeper
2013 · Series
After School: Lucky or Not
2013 · Series
Good Doctor
2013 · Series
Home Alone
2013 · Series
To the Beautiful You
2012 · Series
Law of the Jungle
2011 · Series
Running Man
2010 · Series
KBS Drama Special
2010 · Series
Melon Music Awards
2009 · Series
Nambeol
Movie