No Breathing

Seo In-guk

Jo Won-il

이종석

Jung Woo-sang

Kwon Yuri

Jung-eun

Park Cheol-min

Jae-seok

박정철

Coach Jang

Yoon Kyun-sang

Yoon Gyun-sang

Shin Min-chul

Jung-dong

김재영

Dae-Chan

Sunwoo Jae-duk

Woo-sang's Father

조아영

Se-mi

Jeon Bo-mi

Ha-na

Lee Chang-joo

Woo-hyeon