Seo Kang Joon

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Seo Kang Joon - Biography, Profile, Facts, and Career

Seo Kang Joon started his entertainment career by becoming a part-time model before he debuted as an actor and a member of 5urprise.

Later, Fantagio Entertainment created a program called Actor’s League to search for new potential actors, which this Libra actor had successfully passed in.

Kang Joon then became a trainee there and initially debuted as an actor by appearing in To The Beautiful You (2012) as a cameo.

In 2013, this handsome actor then debuted as a singer by joining 5urprise as a member.

After training several years as an actor, Kang Joon finally got his first major role in a romantic comedy-drama series, Cunning Single Lady (2014).

His role in that drama later rewarded him with various awards, such as the Best New Actor for the 2014 Korea Drama Awards.

He then continued his acting career by appearing in different drama series, What Happens to My Family (2014), which was followed by Splendid Politics (2015).

During those years, Kang Joon also acted in various movies, such as My Love, My Bride (2014) and also Summer Snow (2015).

Kang Joon already rose to fame before 2016, but his career breakthrough was his role in Cheese in The Trap (2016).

That opportunity then was followed by his next acting projects, such as Entourage (2016).

Two years later, he gained more popularity by starring in a Sci-Fi drama series, Are You Human? (2018) where he got double characters as a robot and also a wealthy heir.

He then continued his acting career by starring in Watcher (2019), When the Weather Is Fine (2020), Love Refresh (2021), and Grid (2022).

Read also: Lee Eunbi – Biography, Profile, Facts, Family & Life Story


  • Real Name: Lee Seung Hwan (이승환)
  • Stage Name: Seo Kang Joon (서강준)
  • Nickname: Kang Joon
  • Birthday: October 12, 1993
  • Birthplace: Gunpo, Gyeonggi Province, South Korea
  • Zodiac Sign: Libra
  • Nationality: South Korean
  • Height: 183 cm (6’0″)
  • Weight: 65 kg (143 lbs)
  • Blood Type: AB
  • Religion: –
  • Profession: Actor, Singer
  • Education: Sanbon High School, Dong Seoul College (Majored in Performing Arts)
  • Hobbies: Horseback riding, Playing tennis, Playing golf
  • Parents: –
  • Sibling: –
  • Girlfriend: –
  • Facebook: –
  • Twitter: –
  • Instagram: @seokj1012
  • TikTok: –
  • YouTube: –


  • Kang Joon once studied in Malaysia when he was just a 17-years-old teenager for approximately 1 year 5 months.
  • He loves taking care of his skin.
  • On a daily basis, Kang Joon usually puts a lot of skin lotions on his face.
  • He also usually uses hydrating creams to keep the moisture on his face.
  • Kang Joon is pretty good at playing the piano.
  • He loves doing sport.
  • During his spare time, Kang Joon loves watching movies.
  • He made a good friendship with Eunwoo from ASTRO.
  • Kang Joon enlisted the military service on November 23, 2021.
  • His ideal type is a girl with a pretty smile.

Read also: Cha Min Ji – Biography, Profile, Facts, Family & Life Story


  • A Year-End Medley (2021), as Lee Kang
  • Summer Snow (2015), as Han Sang Gyu
  • The Beauty Inside (2015), as Woo Jin (cameo)
  • My Love, My Bride (2014), as Joon Soo

Drama Series

  • Grid (Disney+ | 2022), as Kim Sae Ha
  • Love Refresh (tvN D STUDIO | 2021), as Seo Nam Joo
  • When the Weather Is Fine (JTBC | 2020), as Im Eun Seob
  • Watcher (OCN | 2019), as Kim Young Goon
  • The Third Charm (JTBC | 2018), as Oh Joon Young
  • Are You Human? (KBS2 | 2018), as Nam Shin / Nam Shin III
  • Idol Fever (Naver TV Cast | 2017), as cameo
  • Entourage (tvN | 2016), as Cha Young Bin
  • Entertainer (SBS | 2016), as Lee Sang Won (cameo)
  • Cheese in the Trap (tvN | 2016), as Baek In Ho
  • To Be Continued (Naver TV Cast | 2015), as Ah Rin’s brother
  • Splendid Politics (MBC | 2015), as Hong Joo Won
  • The Best Future (Naver TV Cast | 2014), as Choi Go
  • What Happens to My Family? (KBS2 | 2014), as Yoon Eun Ho
  • Cunning Single Lady (MBC | 2014), as Gook Seung Hyun
  • The Suspicious Housekeeper (SBS | 2013), as Choi Soo Hyuk
  • Good Doctor (KBS2 | 2013), as disorderly student (cameo)
  • To the Beautiful You (SBS | 2012), as student (cameo)


  • You Are My Love (2018) – Are You Human? OST

TV Shows

  • Busted! (Netflix | 2021), as guest
  • Law of the Jungle in Tonga (SBS | 2016), as cast member
  • Roommate – Season 1 & 2 (SBS | 2014-2015), as cast member


  • KBS Drama Awards 2018 – Excellence Award, Actor in a Mid-length Drama (Are You Human? – Won)
  • Korea Drama Awards 2018 – Excellence Award, Actor (Are You Human? – Nominated)
  • Asia Artist Awards 2016 – Best Entertainer Award, Actor (Cheese In The Trap – Won)
  • Korea Drama Awards 2015 – Hot Star Award (Splendid Politics – Won)
  • SBS Entertainment Awards 2014 – Best Male Newcomer (Roommate – Nominated)
  • KBS Drama Awards 2014 – Best New Actor (What Happens To My Family? – Nominated)
  • MBC Drama Awards 2014 – Best New Actor (Cunning Single Lady – Nominated)
  • Korea Drama Awards 2014 – Best New Actor (Cunning Single Lady – Won)

Seo Kang Joon is one of the most skillful Korean actors in the acting industry. He is always ready to take different roles to explore his career.


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