Name
Seo Kang-joon
Known For
Acting
Birthday
1993-10-12 (33 years old)
Place of Birth
Gunpo, Gyeonggi, South Korea
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).
Known For
7.7
Woo-jin, a furniture designer who wakes up in a different body every day, falls for Yi-soo...
7.204
A romantic comedy of a young man and woman that is told in the background of hotel 'Emross...
6.9
When Young-min and Mi-young marry each other after they graduate college, they experience ...
- 2014 Bomi's Room as Self
- 2014 My Love, My Bride as Joon-soo
- 2015 The Beauty Inside as Woo-jin 92
- 2015 Summer Snow as Sang-gyu
- 2021 A Year-End Medley as Yi-kang
- 2013 Haneuljae’s Murder as 尹河
- 2011 Law of the Jungle ( 9 episodes )
- 2014 Cunning Single Lady ( 16 episodes ) as Gook Seung-hyun
- 2015 Hwajung ( 50 episodes ) as Hong Joo-won
- 2022 Grid ( 10 episodes ) as Kim Sae-ha
- 2013 The Suspicious Housekeeper ( 20 episodes ) as Choi Soo Hyuk
- 2014 Roommate ( 46 episodes ) as Self
- 2016 Cheese in the Trap ( 16 episodes ) as Baek In-ho
- 2016 Entourage ( 16 episodes ) as Cha Young-Bin
- 2015 To Be Continued ( 12 episodes ) as Ah-rin's elder brother
- 2010 Running Man ( 1 episode )
- 2013 Good Doctor ( 1 episode ) as One of the punks who wants to beat Shi On
- 2017 Idol Fever ( 10 episodes ) as Do Yun's older brother
- 2012 To the Beautiful You ( 3 episodes ) as One of the guys putting ghost makeup on Song Jong Min's group
- 2016 Entertainer ( 2 episodes ) as Lee Sang-Won
- 2014 What Happens to My Family? ( 53 episodes ) as Yoon Eun-Ho
- 2018 Are You Human? ( 36 episodes ) as Nam Shin / Nam Shin III
- 2018 The Third Charm ( 16 episodes ) as On Joon Young
- 2010 KBS Drama Special ( 1 episode )
- 2014 The Best Future ( 5 episodes ) as Choi Go
- 2013 After School: Lucky or Not ( 24 episodes )
- 2025 Undercover High School ( 12 episodes ) as Jeong Hae-sung
- 2019 WATCHER ( 16 episodes ) as Kim Young-Koon
- 2009 Melon Music Awards ( 1 episode ) as Messenger
- 2020 When the Weather Is Fine ( 16 episodes ) as Im Eun-seop
- 2013 Home Alone ( 1 episode ) as Self
- 2018 Busted! ( 1 episode ) as Kang-Joon Seo
- 2026 Boyfriend on Demand ( 5 episodes ) as Seo Eun-ho
- 2026 A Love Other Than Yours ( 14 episodes ) as Namgung Ho
