Seo Kang-joon

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).

Seo Kang-joon is known for work in acting across film and television. New Release currently presents 14 verified screen credits connected to this profile. Selected work includes A Love Other Than Yours (2026), Boyfriend on Demand (2026), Undercover High School (2025), Grid (2022), A Year-End Medley (2021), When the Weather Is Fine (2020), Are You Human? (2018), Entourage (2016). The recorded credits span 2013 to 2026, including 2 movies and 12 TV shows. The filmography below lists available titles, release years and known roles. This profile is updated as additional verified information becomes available.