A former arm-wrestling champion raised in the U.S. returns to South Korea for a tournament that could return him to glory, but he finds his life complicated by the appearance of the biological family he never knew.
Mark
Ma Dong-seok
Jin-ki
Kwon Yul
Soo-jin
Han Yeri
Joon-hyung
Choi Seung-hoon
Joon-hee
Ok Ye-rin
Mark's Mother
Son Sook
Fight Announcer
John D. Michaels
Announcer
Carson Allen
Punch
Lee Kyu-ho
Club Goer
Derek Chouinard
Exhibition Hall Reporter
No Ji-yoo
Prison Punch Opponent
Jeon Gwon-ha
Yoo Chang-soo
Yang Hyun-min
Team Leader Kim
Nam Yeon-woo
Combo
Kang Shin-hyo
Joo-yun
Kang Seung-hyun
Jason Kim
Park Sun-ho
Event Announcer
Oh Chang-kyung
Doctor Han
Yoo Soon-woong
Chang-soo's Employee
Park Hyung-Soon
Busan MC
Park Won Bin
PD Park
Park Seong-il
Jin-gi's Father
Kim Jong-goo
Celebrity
Yu Seung-ok
Chang-soo's Employee
Park Se-jun
Jason Kim's Gang
Choi Hye-jin
Soccer Boy
Park Tae-yun
Foreign Car Driver
Ahn Sung-min
English Elementary Student's Mother
Yang Jo-a
Cigarette Student
Park Chan-woo
Busan Couple
Park Ji-yeon
Busan Couple
Hwang Sang-kyung
Macho Driver
Kwak Ja-hyung
Gambling Joint Cashier
Yoon Eun-ji
High School Student
Jeon Hye-won
Airport Greeting Woman
Baek Sang-hee
Celebrity
Kim Dong-hyun
Sun-kyeong's Sister
Yoo Ji-yeon
2 Meter Giant
Park Kwang-jae
Child on Bus
Kim Ji-hwan
Busan Arm Wrestling Elementary School Student
Kim Geon
Combo Team Member 1
Jin Mo
Combo Team Member 2
Geum Gwang-san
Cashier
Lee Su-jeong