Seo Kang-joon
Acting
Born 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).
Known for
8.1
Are You Human?
2018 · TV
8.3
Boyfriend on Demand
2026 · TV
8.0
Good Doctor
2013 · TV
8.0
Undercover High School
2025 · TV
7.8
Busted!
2018 · TV
7.9
WATCHER
2019 · TV
7.3
When the Weather Is Fine
2020 · TV
7.6
Cunning Single Lady
2014 · TV
7.4
The Best Future
2014 · TV
7.8
What Happens to My Family?
2014 · TV
7.7
Entourage
2016 · TV
8.2
Roommate
2014 · TV
7.0
Cheese in the Trap
2016 · TV
7.0
Grid
2022 · TV
7.4
KBS Drama Special
2010 · TV
Coming Soon
A Love Other Than Yours
Releases Sep 5, 2026
6.7
To the Beautiful You
2012 · TV
6.6
Entertainer
2016 · TV
5.0
The Suspicious Housekeeper
2013 · TV
1.0
Idol Fever
2017 · TV
4.7
After School: Lucky or Not
2013 · TV
6.0
Law of the Jungle
2011 · TV
6.2
The Third Charm
2018 · TV
4.5
Hwajung
2015 · TV
5.5
To Be Continued
2015 · TV
8.2
Running Man
2010 · TV
7.5
Home Alone
2013 · TV
Melon Music Awards
2009 · TV