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.
Cast of Champion
Ma Dong-seokMark
Kwon YulJin-ki
Han YeriSoo-jin
Choi Seung-hoonJoon-Hyung
Ok Ye-rinJoon-Hee
Son SookMark's Mother
Yu Seung-okcelebrity
John D. MichaelsFight announcer
Carson AllenAnnouncer
Lee Kyu-hoPunch
Geum Gwang-sanCombo Team 2
Derek ChouinardClub goer
No Ji-yooExhibition Hall Reporter
Yang Hyun-minYoo Chang-Soo
Nam Yeon-wooTeam leader Kim
Kang Shin-hyoCombo
Kang Seung-hyunJoo Yun
Park Sun-hoJason Kim
Oh Chang-kyungEvent announcer
Yoo Soon-woongDoctor Han
Park Hyung-SoonChang Soo's employee
Park Won BinBusan MC
Park Sung-ilPD Park
Kim Jong-gooJin Gi's father
Park Se-junYoo Chang Soo's employee
Choi Hye-jinJason Kim's Gang
Park Tae-yunSoccer boy
Ahn Sung-MinForeign car driver
Yang Jo-aEnglish elementary student's mother
Park Chan-wooStudent with cigarettes
Park Ji-yeonBusan couple
Hwang Sang-kyungBusan couple
Kwak Ja-hyungMacho driver
Yoon Eun-jiGambling joint cashier
Jeon Hye-wonHigh school student
Baek Sang-HeeAirport meet-and-greet staff
Kim Dong-hyunCelebrity
Yoo Ji-yeonOh Sun-Kyeong's sister
Park Kwang-jae2 metre giant
Kim Ji-hwanChild on bus
Kim Dae-myungBusan arm wrestling elementary school student
Jin MoCombo team member 1