Champion
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
Jin-ki
Soo-jin
Joon-hyung
Joon-hee
Mark's Mother
Fight Announcer
Announcer
Punch
Club Goer
Exhibition Hall Reporter
Prison Punch Opponent
Yoo Chang-soo
Team Leader Kim
Combo
Joo-yun
Jason Kim
Event Announcer
Doctor Han
Chang-soo's Employee
Busan MC
PD Park
Jin-gi's Father
Celebrity
Jason Kim's Gang
Soccer Boy
Foreign Car Driver
English Elementary Student's Mother
Cigarette Student
Busan Couple
Macho Driver
Gambling Joint Cashier
High School Student
Airport Greeting Woman
Sun-kyeong's Sister
2 Meter Giant
Child on Bus
Busan Arm Wrestling Elementary School Student
Combo Team Member 1
Combo Team Member 2
Cashier