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Kim Yoon-seok as Choi Hae-gap |
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오연수 as Ahn Bong-hee |
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한예리 as Choi Min-ju |
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백승환 as Choi Na-ra |
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Park Sa-rang as Choi Na-rae |
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김성균 as Hong Man-deok |
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Kim Tae-hoon as |
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Lee Jun-hyeok as |
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Yoo Jae-myung as |
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이도경 as |
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신신범 as School guard |
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Lee Jun-hyeok as Fight Teacher |
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김자영 as Headmaster |
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김종태 as Young Detective |
| Visual Effects | Yoon Choong-yeol | VFX Artist |
| Art | 박재완 | Props |
| Writing | Park Song-i | Storyboard |
| Sound | Sung Yoon-yong | Sound Supervisor |
| Directing | 임순례 | Director |
| Writing | 奥田英朗 | Novel |
| Sound | 한철희 | Production Sound Mixer |
| Art | 서성경 | Art Direction |
| Writing | 나현 | Screenplay |
| Camera | 조용규 | Director of Photography |
| Visual Effects | 박의동 | Visual Effects |
| Writing | Lee Kae-byeok | Screenplay |
| Production | Seo Kang-ho | Line Producer |
| Art | Hwang In-jun | Production Design |
| Sound | Kang Ki-young | Original Music Composer |
| Costume & Make-Up | Hwang Hyun-gyu | Makeup & Hair |
| Production | Kim Bo-ram | Producer |
| Production | Kim Yoon-ho | Executive Producer |
| Crew | Yoo Sang-seob | Fight Choreographer |
| Costume & Make-Up | Kim Jeong-ja | Makeup & Hair |
| Production | Kim Yeong-don | Co-Executive Producer |
| Production | 윤단비 | Data Management Technician |
| Costume & Make-Up | 김유선 | Costume Design |
| Production | 이미영 | Executive Producer |
| Writing | Kim Yoon-seok | Adaptation |
| Writing | Choi Moon-suk | Writer |
| Sound | Lee In-gyu | Sound Supervisor |
| Lighting | Jeon Byeong-yun | Lighting Director |
| Art | 오진석 | Props |
