ONE: High School Heroes: Cast
Lee Jung-ha
Kim Eui-gyeom
Kim Do-wan
Kang Yoon-ki
Kim Sang-ho
Kim Seok-tae
Kim Joo-ryoung
Myeong Da-bin
Shin Jun-seop
Nam Seung-Sik
Lee Chan-hyeong
Sung-Wook
Shin Jae-whi
Lee Ki-Yoon
Lim Sung-kyun
Kim Seung-joon
Yuk Jun-seo
Lee Geol-jae
Yoo Hee-je
Choi Ki-soo
Lim Hyun-tae
Choi Hong-il
Hong Min-gi
Kim Nam-hyeop
Shin Hyun-soo
Kim Su Gyeom [Eui Gyeom's brother]