Champion (2018) — Cast
Cast
| Carson Allen | Announcer |
| Geum Gwang-san | Combo |
| Park Se-jun | Chang |
| Kim Dong-hyun | Celebrity |
| Yoo Ji-yeon | Sun-hwa |
| No Ji-yoo | Newsroom Reporter |
| Park Sun-ho | Jason |
| Hwang Sang-kyung | Busan |
| Park Chan-woo | Black Student |
| Ahn Sung-min | Foreign conspirators |
| Jeon Gwon-ha | Punch |
| Jeon Hye-won | Black Student |
| Park Hyung-Soon | Chang |
| Park Tae-yun | Sakkaa / Soccer |
| Yu Seung-ok | Celebrity |
| Oh Chang-kyung | Announcer |
| Choi Hye-jin | Jason |
| John D. Michaels | Announcer |
| Park Seong-il | PD |
| Park Won Bin | Busan |
| Kim Ji-hwan | Village Child |
| Park Kwang-jae | Meter |
| Yoo Soon-woong | Doctor |
| Kim Jong-goo | Se-jin |
| Han Ye-ri | Ki-soo |
| Lee Kyu-ho | Punch |
| Derek Chouinard | Strip Club Pervert |
| Jin Mo | Combo |
| Kim Geon | Busan |
| Kwon Yul | Se-jin |
| Yang Hyun-min | Chang |
| Baek Sang-hee | Greeting Faction |
| Yang Jo-a | English Bob |
| Choi Seung-hoon | Hyung-joong |
| Kang Seung-hyun | Se-joo |
| Nam Yeon-woo | Federal Team |
| Kang Shin-hyo | Combo |
| Park Ji-yeon | Busan |
| Yoon Eun-ji | Joint |
| Ok Ye-rin | Joon-pyo |
| Lee Su-jeong | Cashier |
| Son Sook | Bubba's Mother |
| Don Lee | Mark |
| Kwak Ja-hyung | Macho |
Crew
| Jeon Seok-jae | VFX Supervisor |
| Yoon Dae-won | Martial Arts Choreographer |
| Nam Dae-won | Original Music Composer |
| Yoo Ji-sun | Director of Photography |
| Choi Ji-won | Production Sound Mixer |
| Jeong Hye-ri | Digital Intermediate |
| Lee Ha-na | Production Design |
| Lee Yong-chul | Assistant Director |
| Jay Choi | Executive Producer |
| Don Lee | Executive Producer |
| Kim Gi-hyeon | Assistant Camera |
| Choi Tae-young | Sound Supervisor |
| Woo Je-hyung | Set Decoration |
| Nam Ji-soo | Costume Design |
| Nam Ji-soo | Makeup & Hair |
| Uhm Ha-neul | Data Wrangler |
| Kim Yong-wan | Director |
| Han Dong-hwan | Producer |
| Jeon Jae-hyeong | Stunts |
| Ryu Seong-cheol | Stunts |
| Kim Chang-ju | Editor |
| Lee Ho-seung | Editor |
| Kim Yong-wan | Writer |