서인국

Jo Won-il

Lee Jong-suk

Jung Woo-sang

권유리

Jung-eun

박철민

Jae-seok

박정철

Coach Jang

윤균상

Yoon Gyun-sang

Shin Min-chul

Jung-dong

김재영

Dae-Chan

선우재덕

Woo-sang's Father

Cho Ja-young

Se-mi

Jeon Bo-mi

Ha-na

Lee Chang-joo

Woo-hyeon

Park Yong-sik

President of the Association

김영선

Woo-sang's Mother

Yang Joon-hyeok

Yang Joon-hyeok

Cho Yong-sun