Back to People
Seo Kang-joon
Acting
12 Oct 1993 (32 years)
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).
Also Known As
서강준, Seo Kang-jun, Kang-joon Seo, Kang-jun Seo, 이승환
Photos
Seo Kang-joon's Movies
Seo Kang-joon's TV Shows
81%
Are You Human?
04 Jun 2018
82%
Running Man
11 Jul 2010
83%
Boyfriend on Demand
06 Mar 2026
70%
Cheese in the Trap
04 Jan 2016
73%
When the Weather Is Fine
24 Feb 2020
80%
Good Doctor
05 Aug 2013
70%
Grid
16 Feb 2022
80%
Undercover High School
21 Feb 2025
78%
Busted!
04 May 2018
67%
To the Beautiful You
15 Aug 2012
74%
The Best Future
28 Oct 2014
55%
To Be Continued
18 Aug 2015
76%
Cunning Single Lady
27 Feb 2014
79%
WATCHER
06 Jul 2019
62%
The Third Charm
28 Sept 2018
66%
Entertainer
20 Apr 2016
75%
Home Alone
22 Mar 2013
45%
Hwajung
13 Apr 2015
78%
What Happens to My Family?
16 Aug 2014
77%
Entourage
04 Nov 2016