Champion

Ma Dong-seok

Mark

Kwon Yul

Jin-ki

Han Ye-ri

Soo-jin

Choi Seung-hoon

Joon-hyung

Ok Ye-rin

Joon-hee

Son Sook

Mark's Mother

John D. Michaels

Fight Announcer

Carson Allen

Announcer

Lee Kyu-ho

Punch

Derek Chouinard

Club Goer

No Ji-yoo

Exhibition Hall Reporter

Jeon Gwon-ha

Prison Punch Opponent

Yang Hyun-min

Yoo Chang-soo

Nam Yeon-woo

Team Leader Kim

Kang Shin-hyo

Combo

Kang Seung-hyun

Joo-yun

Park Sun-ho

Jason Kim

Oh Chang-kyung

Event Announcer

Yoo Soon-woong

Doctor Han

Park Hyung-Soon

Chang-soo's Employee

Park Won Bin

Busan MC

Park Seong-il

PD Park

Kim Jong-goo

Jin-gi's Father

Yu Seung-ok

Celebrity

Park Se-jun

Chang-soo's Employee

Choi Hye-jin

Jason Kim's Gang

Park Tae-yun

Soccer Boy

Ahn Sung-min

Foreign Car Driver

Yang Jo-a

English Elementary Student's Mother

Park Chan-woo

Cigarette Student

Park Ji-yeon

Busan Couple

Hwang Sang-kyung

Busan Couple

Kwak Ja-hyung

Macho Driver

Yoon Eun-ji

Gambling Joint Cashier

Jeon Hye-won

High School Student

Baek Sang-hee

Airport Greeting Woman

Kim Dong-hyun

Celebrity

Yoo Ji-yeon

Sun-kyeong's Sister

Park Kwang-jae

2 Meter Giant

Kim Ji-hwan

Child on Bus

Kim Geon

Busan Arm Wrestling Elementary School Student

Jin Mo

Combo Team Member 1

Geum Gwang-san

Combo Team Member 2

Lee Su-jeong

Cashier