as

Kim Seok-hyun

as

Do Pyeon-gang

as

Na Jung-beom

as

Ok Ju-man

as

Noh San-woo

as

Han Myung-Jin

as

Disciplinary Teacher

as

Ik-jun's Professor

as

Park Jin-man

as

Hwang Doo-Sik

as

Jeon Won-Chool

as

Yoon Seung-Soo

as

Kong Seung-Cheol

as

Professor Park

as

Hunter Ahn