Seo Kang-joon

Known for ActingBorn 1993-10-12 (age 32)Gunpo, Gyeonggi, South Korea

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).Read more

Movies & web series

Boyfriend on Demand

Roommate

Running Man

Are You Human?

Undercover High School

Good Doctor

WATCHER

Busted!

What Happens to My Family?

Entourage

The Beauty Inside

Cunning Single Lady

Home Alone

The Best Future

KBS Drama Special

When the Weather Is Fine

A Year-End Medley

Cheese in the Trap

Summer Snow

Grid

My Love, My Bride

To the Beautiful You

Entertainer

A Love Other Than Yours

The Third Charm

Law of the Jungle

To Be Continued

The Suspicious Housekeeper

After School: Lucky or Not

Hwajung

Idol Fever

Bomi's Room

Haneuljae’s Murder

Melon Music Awards