Lee Jun-young (born January 22, 1997), also known as Jun, is a South Korean singer, rapper and actor who debuted as a member of the boy band U-KISS in 2014. He joined the survival program The Unit (2017–18) and won to become the center and main vocalist of the project group UNB. As an actor, he has achieved wider recognition for his roles in the Netflix series D.P. (2021), Mask Girl (2023), When Life Gives You Tangerines (2025) and Weak Hero Class 2 (2025). Beyond his work in music and acting, he has participated in musical theatre, dance battles, variety programs, art exhibitions, and hosting activities, which has led some to describe him as a 'hexagonal trendsetter' for his versatility across multiple fields.
Brave Citizen
(Han Su-gang)
Badland Hunters
(Choi Ji-wan)
Love and Leashes
(Jung Ji-Hoo)
Tokyo Taxi
(Kim Yeong-gi)
Sinner
More Painful Than Sadness
Imitation
(Kwon Ryok)
The Manager
(Self)
The Impossible Heir
(Kang In-ha)
D.P.
(Jeong Hyeon-min)
Law of the Jungle
Let Me Be Your Knight
(Yoon Tae-in)
Dreaming of a Freaking Fairy Tale
(Moon Cha-min)
Avengers Social Club
(Lee Soo-Gyum)
Lean on Me
Melo Movie
(Hong Si-joon)
Goodbye to Goodbye
(Han Min-Soo)
A Special Meal of the Weirdo 'Nara'
(Pyeon Dol I)
May I Help You?
(Kim Tae-hee)
Movie Room
(Self)
Class of Lies
(Yoo Beom-Jin)
Good Casting
(Kang Woo-Won)
Pump Up the Healthy Love
(Do Hyeon-joong)
Mask Girl
(Choi Bu-young)
Please Don't Date Him
(Jung Kook-Hee)
Amazing Saturday
(Self)
Weak Hero
(Geum Seong-je)
The Seasons
(Self)
Running Man
How Do You Play?
(Self)
Reborn Rookie
(Hwang Jun-hyeon / Kang Yong-ho)
Who Are You
(Lee Tae-joo)
Kingdom: Legendary War
(Self - Guest)
Sixth Sense: City Tour
(Self)
Four Hands, Two Sonatas
(Choi Jeong-yo)
Salon Drip
(Self)
After School Club
(Self)
2025 MBC 대학가요제
When Life Gives You Tangerines
(Park Yeong-bum)
D.P.
YOO Got a Minute?
Hong Seok-cheon's Jewelry Box
(Self)
The Unit: Idol Rebooting Project
(Self - Contestant)
UNB in Japan: OND
(Self)