ONE: High School Heroes Cast
10 actors in all seasons
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
