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최민식 as Gang Tae-shik |
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류승범 as Yoo Sang-hwan |
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임원희 as Won-tae |
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천호진 as Sang-chul |
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김수현 as Kwon Rok |
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나문희 as Sang-hwan's Grandmother |
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기주봉 as Sang-hwan's Father |
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변희봉 as Coach Park |
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안길강 as Correctional Supervisor |
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Kim Yeong-in as Old Man Kim |
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홍지민 as Caretaker |
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오달수 as Yong-dae |
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정인기 as Doctor |
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Hwang Choon-ha as Yong-jin |
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정정훈 as Gwang-ho |
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Park Jun-myun as Fat Lady |
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서혜린 as Sun-ju |
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김지훈 as Young Man |
| Visual Effects | 정도안 | Special Effects Supervisor |
| Directing | 류승완 | Director |
| Crew | 지중현 | Stunts |
| Visual Effects | 이전형 | VFX Supervisor |
| Writing | 류승완 | Writer |
| Crew | 정두홍 | Fight Choreographer |
| Production | 한재덕 | Producer |
| Production | 임승용 | Producer |
| Editing | Nam Na-young | Editor |
| Camera | Cho Yong-kyu | Director of Photography |
| Art | 박일현 | Production Design |
| Production | Kim Dong-joo | Executive Producer |
| Production | Kim Jang-wook | Executive Producer |
| Production | Kuk Su-ran | Line Producer |
| Sound | 방준석 | Original Music Composer |
| Writing | Jeon Cheol-hong | Screenplay |
| Directing | Lee Jung-hoon | Assistant Director |
| Directing | 한동욱 | Assistant Director |
| Crew | 허명행 | Fight Choreographer |
| Art | 이목원 | Props |
| Crew | 윤대원 | Stunts |
