Real School

Dong Ho

as

Dong Ho

Kim Soo-yeon

as

Kim Soo-yeon

Joo Ah-reum

as

Joo Da-young

Do Ji-han

as

Do Ji-han

Hong Yun-hwa

as

Hong Yun-hwa

Jung Won-joong

as

Headmaster

Julien Kang

as

James

Lee Ki-seop

as

Ki-seop

Park Seul-gi

as

Park Colleen

Yoon Bong Gil

as

Yoon Bong-gil

Kim Dong-beom

as

Kim Dong-bum

Jo Woo-ri

as

Jo Woo-ri