Movies (Acting Roles)
A Year-End Medley
Seo Kang-joon was 28 in A Year-End Medley as 'Yi-kang'.Movie Released: Wed, Dec 29 2021
Summer Snow
Seo Kang-joon was 22 in Summer Snow as 'Sang-gyu'.Movie Released: Wed, Oct 28 2015
The Beauty Inside
Seo Kang-joon was 21 in The Beauty Inside as 'Woo-jin 92'.Movie Released: Thu, Aug 20 2015
My Love, My Bride
Seo Kang-joon was 20 in My Love, My Bride as 'Joon-soo'.Movie Released: Wed, Oct 08 2014
Bomi's Room
Seo Kang-joon was 20 in Bomi's Room as 'Himself'.Movie Released: Thu, Aug 21 2014
TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Undercover High School
Seo Kang-joon will be 31+ in Undercover High School as 'Jeong Hae-sung'.TV Show Released: First Air Date
Fri, Feb 21 2025
Grid
Seo Kang-joon was 28+ in Grid as 'Kim Sae-ha'.TV Show Released: First Air Date
Wed, Feb 16 2022
When the Weather Is Fine
Seo Kang-joon was 26+ in When the Weather Is Fine as 'Im Eun-seob'.TV Show Released: First Air Date
Mon, Feb 24 2020
WATCHER
Seo Kang-joon was 25+ in WATCHER as 'Kim Young-Koon'.TV Show Released: First Air Date
Sat, Jul 06 2019
The Third Charm
Seo Kang-joon was 24+ in The Third Charm as 'On Joon Young'.TV Show Released: First Air Date
Fri, Sep 28 2018
Are You Human?
Seo Kang-joon was 24+ in Are You Human? as 'Nam Shin / Nam Shin III'.TV Show Released: First Air Date
Mon, Jun 04 2018
Busted!
Seo Kang-joon was 24+ in Busted! as 'Kang-Joon Seo'.TV Show Released: First Air Date
Fri, May 04 2018
Idol Fever
Seo Kang-joon was 23+ in Idol Fever as 'Do Yun's older brother'.TV Show Released: First Air Date
Fri, Jul 07 2017
Entourage
Seo Kang-joon was 23+ in Entourage as 'Cha Young-Bin'.TV Show Released: First Air Date
Fri, Nov 04 2016
Entertainer
Seo Kang-joon was 22+ in Entertainer as 'Lee Sang-Won'.TV Show Released: First Air Date
Wed, Apr 20 2016
Cheese in the Trap
Seo Kang-joon was 22+ in Cheese in the Trap as 'Baek In-ho'.TV Show Released: First Air Date
Mon, Jan 04 2016
To Be Continued
Seo Kang-joon was 21+ in To Be Continued as 'Ah-rin's elder brother'.TV Show Released: First Air Date
Tue, Aug 18 2015
Hwajung
Seo Kang-joon was 21+ in Hwajung as 'Hong Joo-won'.TV Show Released: First Air Date
Mon, Apr 13 2015
The Best Future
Seo Kang-joon was 21+ in The Best Future as 'Choi Go'.TV Show Released: First Air Date
Tue, Oct 28 2014
What Happens to My Family?
Seo Kang-joon was 20+ in What Happens to My Family? as 'Yoon Eun-Ho'.TV Show Released: First Air Date
Sat, Aug 16 2014
Roommate
Seo Kang-joon was 20+ in Roommate TV Show Released: First Air Date
Sun, May 04 2014
Cunning Single Lady
Seo Kang-joon was 20+ in Cunning Single Lady as 'Gook Seung-hyun'.TV Show Released: First Air Date
Thu, Feb 27 2014
The Suspicious Housekeeper
Seo Kang-joon was 19+ in The Suspicious Housekeeper as 'Choi Soo Hyuk'.TV Show Released: First Air Date
Mon, Sep 23 2013
Good Doctor
Seo Kang-joon was 19+ in Good Doctor as 'One of the punks who wants to beat Shi On'.TV Show Released: First Air Date
Mon, Aug 05 2013
Home Alone
Seo Kang-joon was 19+ in Home Alone as 'Self'.TV Show Released: First Air Date
Fri, Mar 22 2013
To the Beautiful You
Seo Kang-joon was 18+ in To the Beautiful You as 'One of the guys putting ghost makeup on Song Jong Min's group'.TV Show Released: First Air Date
Wed, Aug 15 2012
Law of the Jungle
Seo Kang-joon was 18+ in Law of the Jungle TV Show Released: First Air Date
Fri, Oct 21 2011
Running Man
Seo Kang-joon was 16+ in Running Man TV Show Released: First Air Date
Sun, Jul 11 2010
KBS Drama Special
Seo Kang-joon was 16+ in KBS Drama Special TV Show Released: First Air Date
Sat, May 15 2010
Melon Music Awards
Seo Kang-joon was 16+ in Melon Music Awards as 'Messenger'.TV Show Released: First Air Date
Wed, Dec 16 2009
