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조정석 as Cho Doo-sik |
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도경수 as Ko Doo-young |
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Park Shin-hye as Lee Soo-hyun |
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김강현 as Dae-chang |
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Ji Dae-han as Director of the National Athletes |
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임철형 as Man at Clothing Store |
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이도연 as Woman at the Club |
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Lee Yeon-su as Doo-sik's Mother |
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정재진 as Supermarket Owner |
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구혜령 as Employee of Welfare Section |
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이상훈 as Employee of Welfare Section |
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Son Mi-hee as Nurse |
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배성재 as Caster |
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정지훈 as Young Doo-young |
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Kwon Beom-taek as Janitor |
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송용식 as Dealer |
| Crew | 윤진율 | Stunts |
| Art | Kim Jong-woo | Production Design |
| Sound | 고동훈 | Production Sound Mixer |
| Crew | 권지훈 | Stunts |
| Production | 정태성 | Executive Producer |
| Camera | 기세훈 | Director of Photography |
| Editing | 신민경 | Editor |
| Sound | 김창섭 | Sound Supervisor |
| Crew | 박주천 | Martial Arts Choreographer |
| Directing | Kwon Soo-kyung | Director |
| Writing | 유영아 | Writer |
| Lighting | 김성관 | Lighting Director |
| Production | Park Ji-sung | Co-Producer |
| Production | Lee Yong-nam | Producer |
| Sound | 김태성 | Original Music Composer |
| Sound | 박인영 | Original Music Composer |
| Costume & Make-Up | 김경미 | Costume Design |
| Costume & Make-Up | 조태희 | Makeup & Hair |
| Sound | 도경수 | Theme Song Performance |
| Art | Park Young-chan | Production Design |
| Production | 최평호 | Co-Executive Producer |
| Production | 최낙권 | Producer |
| Art | 윤기찬 | Set Decoration |
| Crew | 윤대원 | Stunts |
