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Seo Kang-joon | airing.show

Seo Kang-joon

Born: October 12, 1993
Place of birth: Gunpo, Gyeonggi, South Korea

18 TV shows in our catalog

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).

TV appearances

A Love Other Than Yours

A Love Other Than Yours2026As Namgung Ho

Undercover High School

Undercover High School2025As Jeong Hae-sung

Grid

Grid2022As Kim Sae-ha

When the Weather Is Fine

When the Weather Is Fine2020As Im Eun-seop

WATCHER

WATCHER2019As Kim Young-Koon

The Third Charm

The Third Charm2018As On Joon Young

Are You Human?

Are You Human?2018As Nam Shin / Nam Shin III

Idol Fever

Idol Fever2017As Do Yun's older brother

Entourage

Entourage2016As Cha Young-Bin

Cheese in the Trap

Cheese in the Trap2016As Baek In-ho

To Be Continued

To Be Continued2015As Ah-rin's elder brother

Hwajung

Hwajung2015As Hong Joo-won

The Best Future

The Best Future2014As Choi Go

What Happens to My Family?

What Happens to My Family?2014As Yoon Eun-Ho

Roommate

Roommate2014As Self

Cunning Single Lady

Cunning Single Lady2014As Gook Seung-hyun

The Suspicious Housekeeper

The Suspicious Housekeeper2013As Choi Soo Hyuk

After School: Lucky or Not

After School: Lucky or Not2013