Seo In-guk

Jo Won-il

Lee Jong-suk

Jung Woo-sang

Yuri

Kwon Yu-ri

Jung-eun

Park Cheol-min

Jae-seok

Ah Young

Jae-young Kim

Park Jung-chul

Coach Jang

Yoon Kyun-sang

Yoon Gyun Sang

Sunwoo Jae-Deok

Bo-mi Jeon

Shin Min-chul

Jung-dong

Kim Jae-young

Dae-Chan

Min-sung Jung

Sunwoo Jae-duk

Jung Woo-sang's father

Jeong-cheol Park

Cho Ja-young

Se-mi

Min-Cheol Shin

Jeon Bo-mi

Ha-na

Lee Chang-joo

Woo-hyeon

Park Yong-sik

The President of the Association

Kim Young-sun

Woo-sang's mother

Yang Joon-hyeok

Yang Joon-hyeok

Kim Jung-hak

Reporter Han

Kim Won-hyo

Key man

Oh In-hye

Female Coach

Nam Da-reum

Jung Woo-sang (young)

Yu Seung-yong

Jo Won-il (young)

Park Hyun-woo

Jo Min-guk

Ahn Jang-hyeok

Nam Doh-hyeong

Jo Yong Seon

Director

Cho Yong-sun

Director

Yoo Young-a

Guión

Yoo Young-ah

Guión

Jo Yong Seon

Guión

Cho Yong-sun

Guión

Joon-gyu Lee

Director de Fotografía

Kim Hak-su

Camera Operator

Jin-Young Hong

Compositor de la Música Original

Lee Yun-jae

Production Sound Mixer

Park Chang-hyun

Productor

Soojak Films

Compañía de Produccion

Popcorn Films

Compañía de Produccion

SPC

Compañía de Produccion

Sam Company, The

Compañía de Produccion

9ers Entertainment

Compañía de Produccion

Park Se-jun

Co-Productor

Heo Sun-mi

Editor

Kim Yu-mi

Diseño de Producción

Kim Chul-jun

Martial Arts Choreographer