Seo Kang-joon
Acting
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).
Also known as
서강준 · Seo Kang-jun · Kang-joon Seo · Kang-jun Seo · 이승환 · Lee Seung-hwan
Latest News
Known For
Law of the Jungle
2011 · TV
Home Alone
2013 · TV
Running Man
2010 · TV
KBS Drama Special
2010 · TV
Boyfriend on Demand
2026 · TV
Busted!
2018 · TV
Undercover High School
2025 · TV
Are You Human?
2018 · TV
Hwajung
2015 · TV
When the Weather Is Fine
2020 · TV
Good Doctor
2013 · TV
Roommate
2014 · TV