Seo Kang-joon
Biography
Seo Kang-joon is a South Korean actor born on October 12, 1993, in Gunpo, Gyeonggi, South Korea. He is a former member of the group 5urprise. Seo Kang-joon has gained recognition for his roles in several television series, including Cheese in the Trap, Are You Human?, Watcher, When The Weather Is Fine, Grid, and Undercover High School, as well as Boyfriend on Demand. As an actor, Seo Kang-joon has accumulated 34 known credits.
Career overview
Seo Kang-joon is a South Korean actor. He gained recognition for his role in the television series Cheese in the Trap, which premiered in 2016. This marked a significant point in his acting career, as he began to gain more attention for his performances.
Following his breakthrough in Cheese in the Trap, Seo Kang-joon went on to star in several other television series. These include Are You Human?, Watcher, When The Weather Is Fine, Grid, and Undercover High School. He has also appeared in the television series Boyfriend on Demand. Seo Kang-joon's acting credits include a total of 34 known roles.
Seo Kang-joon's acting career has spanned multiple television series, showcasing his versatility as an actor. His performances in various roles have helped establish him as a notable figure in the South Korean entertainment industry.
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Frequent co-stars
Career timeline
Full Filmography
34 titles- Boyfriend on Demand (2026) as Seo Eun-ho
- A Love Other Than Yours (2026) as Namgung Ho
- Undercover High School (2025) as Jeong Hae-sung
- Grid (2022) as Kim Sae-ha
- A Year-End Medley (2021) as Yi-kang
- When the Weather Is Fine (2020) as Im Eun-seop
- WATCHER (2019) as Kim Young-Koon
- Busted! (2018) as Kang-Joon Seo
- Are You Human? (2018) as Nam Shin / Nam Shin III
- The Third Charm (2018) as On Joon Young
- Idol Fever (2017) as Do Yun's older brother
- Cheese in the Trap (2016) as Baek In-ho
- Entourage (2016) as Cha Young-Bin
- Entertainer (2016) as Lee Sang-Won
- Hwajung (2015) as Hong Joo-won
- To Be Continued (2015) as Ah-rin's elder brother
- The Beauty Inside (2015) as Woo-jin 92
- Summer Snow (2015) as Sang-gyu
- Roommate (2014) as Self
- What Happens to My Family? (2014) as Yoon Eun-Ho
- Cunning Single Lady (2014) as Gook Seung-hyun
- The Best Future (2014) as Choi Go
- My Love, My Bride (2014) as Joon-soo
- Bomi's Room (2014) as Self
- Home Alone (2013) as Self
- Good Doctor (2013) as One of the punks who wants to beat Shi On
- The Suspicious Housekeeper (2013) as Choi Soo Hyuk
- After School: Lucky or Not (2013)
- Haneuljae’s Murder (2013) as 尹河
- To the Beautiful You (2012) as One of the guys putting ghost makeup on Song Jong Min's group
- Law of the Jungle (2011)
- Running Man (2010)
- KBS Drama Special (2010)
- Melon Music Awards (2009) as Messenger
Frequently Asked Questions
What movies or TV shows is Seo Kang-joon best known for?
Seo Kang-joon is widely recognized for notable roles and projects including Boyfriend on Demand (2026), A Love Other Than Yours (2026), Undercover High School (2025), Busted! (2018).
When and where was Seo Kang-joon born?
Seo Kang-joon was born on October 12, 1993 in Gunpo, Gyeonggi, South Korea.
How many credits does Seo Kang-joon have?
Seo Kang-joon has accumulated over 34 film and television credits across a career spanning from 2009 to 2026.
What is Seo Kang-joon's background in cinema and television?
Seo Kang-joon is a South Korean actor born on October 12, 1993, in Gunpo, Gyeonggi, South Korea. He is a former member of the group 5urprise. Seo Kang-joon has gained recognition for his roles in several television series, including Cheese in the Trap, Are You Human?, Watcher, When The Weather Is Fine, Grid, and Underc...