Seo Kang-joon
- Known for
- Acting
- Born
- October 12, 1993 (age 33)
- Birthplace
- 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
Photos
Filmography
Boyfriend on Demand
TV · as Seo Eun-ho · 5 eps
A Love Other Than Yours
TV · as Namgung Ho · 14 eps
Undercover High School
TV · as Jeong Hae-sung · 12 eps
Grid
TV · as Kim Sae-ha · 10 eps
Just an Excuse
TV · as Self · 1 ep
A Year-End Medley
Movie · as Yi-kang
Love Refresh
TV · as Seo Nam Joo · 3 eps
When the Weather Is Fine
TV · as Im Eun-seop · 16 eps
WATCHER
TV · as Kim Young-Koon · 16 eps
Are You Human?
TV · as Nam Shin / Nam Shin III · 36 eps
The Third Charm
TV · as On Jun-young · 16 eps
Busted!
TV · as Kang-Joon Seo · 1 ep
Idol Fever
TV · as Do Yun's older brother · 10 eps
Cheese in the Trap
TV · as Baek In-ho · 16 eps
Entourage
TV · as Cha Young-Bin · 16 eps
Entertainer
TV · as Lee Sang-Won · 2 eps
The Beauty Inside
Movie · as Woo-jin 92
Summer Snow
Movie · as Sang-gyu
Hwajung
TV · as Hong Joo-won · 50 eps
To Be Continued
TV · as Ah-rin's elder brother · 12 eps
Bomi's Room
Movie · as Self
My Love, My Bride
Movie · as Joon-soo
Cunning Single Lady
TV · as Gook Seung-hyun · 16 eps
Roommate
TV · as Self · 46 eps
What Happens to My Family?
TV · as Yoon Eun-Ho · 53 eps
The Best Future
TV · as Choi Go · 5 eps
Haneuljae’s Murder
Movie · as 尹河
The Suspicious Housekeeper
TV · as Choi Soo Hyuk · 20 eps
Good Doctor
TV · as One of the punks who wants to beat Shi On · 1 ep
After School: Lucky or Not
TV · 24 eps
Home Alone
TV · as Self · 1 ep
To the Beautiful You
TV · as One of the guys putting ghost makeup on Song Jong Min's group · 3 eps
Law of the Jungle
TV · 9 eps
Running Man
TV · 1 ep
KBS Drama Special
TV · 1 ep
Melon Music Awards
TV · as Messenger · 1 ep