Punch

Yoo Ah-in

Do Wan-deuk

Kim Yoon-seok

Lee Dong-joo

Park Soo-young

Wan-deuk's Father

Lee Jasmine

Wan-deuk's Mother

Kim Young-jae

Nam Min-gu

Ahn Kil-kang

Coach

Park Hyo-ju

Lee Ho-jeong

Kang Byul

Jeong Yun-ha

Kim Dong-young

Hyeok-Ju

Jo Deok-jae

Director of Students

Sung Yoo-bin

Young Wan-deuk

Kim Sang-ho

Annoyed Neighbor

Sudip Banerjee

Hassan

Jo Sang-geon

Dong-joo's Father

Kim Jong-man

Waiter

Yoon Kyung-ho

Market Man

Kim Yun-tae

Police

Seo Dae-hyeon

Instructor Kim

Jeon Hun-tae

Incheon Coach

Eom Hye-soo

Classmate

Kim Min-chae

Cabaret

Cheon Yeong-am

Civil Servant