Seo Kang-joon

Birthday: 1993-10-12
Birthplace: Gunpo, Gyeonggi, South Korea
Gender: Male
Owned By: Unowned

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).

Credits

	Year	Title	Character
	2021-12-29	A Year-End Medley	Yi-kang
	2015-10-28	Summer Snow	Sang-gyu
	2015-08-20	The Beauty Inside	Woo-jin 92
	2014-10-08	My Love, My Bride	Joon-soo
	2013-12-05	Haneuljae’s Murder	尹河