Known for
Biography
Seo Kang-jun (12 October 1993, Gunpo) is a South Korean actor and singer. Among the titles he is known for are When the Weather Is Fine (2020) and Splendid Politics (2015).
Early life
Schooling on record includes Dong Seoul University and Sanbon High School.
Career
His first listed screen credit dates to 2014, with Cunning Single Lady. Work from the 2010s includes Moon Lovers: Scarlet Heart Ryeo (2016) and Are You Human? (2018). Grid (2022) and Undercover High School (2025) are among his 2020s credits.
The list below counts one film and 9 TV series from 2014 to 2025. Romance is the most frequent genre among his listed titles (3), followed by drama (2). Jin Ki-joo appears in two of his listed titles.
Seo Kang-jun also appears as a member of 5urprise. Other members of 5urprise on record include Gong Myoung and Kang Tae-oh. He is listed as playing piano. The Instagram account had 3.8M followers when last counted in February 2025.
Filmography
10 credits| Year | Title | Role | Type |
|---|---|---|---|
| 2025– | Undercover High School | TV series | |
| 2022– | Grid | TV series | |
| 2020 | When the Weather Is Fine | TV series | |
| 2019– | Watcher | TV series | |
| 2018– | Are You Human? | TV series | |
| 2016– | Cheese in the Trap | TV series | |
| 2016 | Moon Lovers: Scarlet Heart Ryeo | TV series | |
| 2015 | Splendid Politics | TV series | |
| 2014 | Cunning Single Lady | TV series | |
| 2014 | My Love, My Bride | Film |
Groups and bands
- 5urprise
Personal life
He studied at Dong Seoul University and Sanbon High School.
Seo Kang-jun on Social Media
Counts with the date they were readInstagram stats
- Followers
- 5.1M @seokj1012
- Engagement rate
- 6.68% well above average for accounts this size
- Average likes
- 340,951
- Average comments
- 1,822 Based on the last 12 posts
Figures from public Instagram data via the official Meta API; refreshed about every 30 days.
Frequently asked questions
How old is Seo Kang-jun?
Seo Kang-jun is 33 years old, born on 12 October 1993 in Gunpo.
What is Seo Kang-jun known for?
Seo Kang-jun is known for When the Weather Is Fine (2020) and Splendid Politics (2015).
What is Seo Kang-jun’s nationality?
Seo Kang-jun is South Korean, born in Gunpo.
Sources
- Wikidata (Q15972890), accessed October 2026
- Follower counts: dated individually above
- Photo: 티비텐 TV10 · CC BY 3.0
Last checked by the Wiki of Celebs editorial team
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Related people
Gong Myoung
Bandmate in 5urprise
Kang Tae-oh
Bandmate in 5urprise
Joo Sang-wook
Co-star in Cunning Single Lady
Hong Jong-hyeon
Co-star in Moon Lovers: Scarlet Heart Ryeo
Kang Ha-neul
Co-star in Moon Lovers: Scarlet Heart Ryeo
Lee Joon-gi
Co-star in Moon Lovers: Scarlet Heart Ryeo
Jin Ki-joo
Co-star in Moon Lovers: Scarlet Heart Ryeo
Josh Hutcherson
Also born on 12 October
Lee Tae-ri
Also born in 1993
Lee Hyun-woo
Also born in 1993
Luciano Pavarotti
Also born on 12 October
