Acting
Seo Kang-joon
Also Known As: 서강준, Seo Kang-jun, Kang-joon Seo
Birth Date
October 12, 1993
(32 years old)
Place of Birth
Gunpo, Gyeonggi, South Korea
Popularity
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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).
Photos
Running Man
2010 • 1 episode
Home Alone
Self
2013 • 1 episode
Law of the Jungle
2011 • 9 episodes
A Love Other Than Yours
Namgung Ho
2026 • 14 episodes
KBS Drama Special
2010 • 1 episode
Busted!
Kang-Joon Seo
2018 • 1 episode
Boyfriend on Demand
Seo Eun-ho
2026 • 5 episodes
Are You Human?
Nam Shin / Nam Shin III
2018 • 36 episodes
Hwajung
Hong Joo-won
2015 • 50 episodes
Roommate
Self
2014 • 46 episodes
Undercover High School
Jeong Hae-sung
2025 • 12 episodes
The Third Charm
On Joon Young
2018 • 16 episodes
Good Doctor
One of the punks who wants to beat Shi On
2013 • 1 episode
When the Weather Is Fine
Im Eun-seop
2020 • 16 episodes
What Happens to My Family?
Yoon Eun-Ho
2014 • 53 episodes
To the Beautiful You
One of the guys putting ghost makeup on Song Jong Min's group
2012 • 3 episodes
Entourage
Cha Young-Bin
2016 • 16 episodes
The Suspicious Housekeeper
Choi Soo Hyuk
2013 • 20 episodes
Cunning Single Lady
Gook Seung-hyun
2014 • 16 episodes
Grid
Kim Sae-ha
2022 • 10 episodes