Kim Jun-seo

Known for

Acting

Born

November 20, 2001 (age 24)

Birthplace

Ulsan, South Korea

Biography

Kim Jun-seo, known mononymously as Junseo, is a South Korean singer-songwriter, rapper and actor under OUI Entertainment. He is the maknae of the boy group WEi, a member of the project boy group ALPHA DRIVE ONE, formed through the 2025 reality competition show Boys II Planet, and a former member of the project group 1THE9.

Best known work

Secret Relationships

2025

The Manager

2018

I Can See Your Voice

2015

Boys II Planet

2025

After School Club

2013

M Countdown

2004

Under Nineteen

2018

Idol Star Athletics Championships

2010

Why Not Crew

2022

SUMBAKKOKJIL 2

2026

Filmography

TBA
Idol Star Athletics Championships Chuseok Special 2019TV
as Self (1 episode)
2026
SUMBAKKOKJIL 2TV
as Self (2 episodes)
2026
After Inkigayo! UP KaraokeTV
2026
Choi CrewTV
as Self - Guest (1 episode)
2025
Duckbap HouseTV
as Self (1 episode)
2025
ONE DREAM FOREVERTV
as Self (27 episodes)
2025
Boys II PlanetTV
as Self - Contestant (13 episodes)
2025
MAEJEOMGAYOTV
2025
Secret RelationshipsTV
as Jung Da-on (8 episodes)
2022
Why Not CrewTV
as Self (1 episode)
2022
다크비 유나이티드TV
2022
Idol's Snack SpreeTV
as Self (1 episode)
2021
Mama The IdolTV
as Self (2 episodes)
2021
Ssap-Dance: WEiTV
as Self (7 episodes)
2021
Official RequestTV
as Self (1 episode)
2020
The Silence Of IDOLTV
2020
Idol HouseTV
as Self (1 episode)
2020
위인전TV
as Kim Junseo (38 episodes)
2020
K-Bob StarTV
as Self (1 episode)
2020
Secret Friend of IdolsTV
as Self (1 episode)
2020
2020 Idol Star Athletics ChampionshipsTV
as Self (1 episode)
2019
1THE9TV
as Self (4 episodes)
2018
Under NineteenTV
as Self - Contestant (14 episodes)
2018
Mafia DanceTV
as Self (1 episode)
2018
Idol LeagueTV
as Self (3 episodes)