Seo Kang-joon
Birthday: 1993-10-12 | Place of Birth: Gunpo, Gyeonggi, South KoreaLee 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
Acting
Role
as Namgung Ho
as Jeong Hae-sung
as Kim Sae-ha
as Yi-kang
as Im Eun-seop
as Kim Young-Koon
as Nam Shin / Nam Shin III
as On Joon Young
as Do Yun's older brother
as Baek In-ho
as Cha Young-Bin
as Ah-rin's elder brother
as Hong Joo-won
as Sang-gyu
as Choi Go
as Gook Seung-hyun
as Joon-soo
as Self
as Self
as Yoon Eun-Ho
as Choi Soo Hyuk
as 尹河
