ONE: High School Heroes

Lee Seong-tae

Creator

Shin Jun-seop

Nam Seung-Sik

Shin Jae-whi

Lee Ki-Yoon

Lee Jung-ha

Kim Eui-gyeom

Kim Do-wan

Kang Yoon-ki

Kim Sang-ho

Kim Seok-tae

Kim Joo-ryoung

Myeong Da-bin

Lim Sung-kyun

Kim Seung-joon

Yuk Jun-seo

Lee Geol-jae

Yoo Hee-je

Choi Ki-soo

Lim Hyun-tae

Choi Hong-il

Lee Chan-hyeong

Sung-Wook

Hong Min-gi

Shin Hyun-soo

Kim Su Gyeom [Eui Gyeom's brother]