
Acting
Seo Kang-joon
KO cinema · 7 credits
Born
12 October 1993 (age 33)
Birthplace
Gunpo, Gyeonggi, South Korea
Also known as 서강준 · Seo Kang-jun · Kang-joon Seo · Kang-jun Seo · 이승환 · Lee Seung-hwan
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
Filmography
남벌
Nambeol
KONot rated
Actor

A Year-End Medley
KO · 20217.2
as Yi-kang

The Beauty Inside
KO · 20157.6
as Woo-jin 92

Summer Snow
KO · 20157.0
as Sang-gyu

My Love, My Bride
KO · 20146.9
as Joon-soo



