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이제훈 as Jang-ho |
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Han Suk-kyu as Sang-jin |
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강소라 as Sook-hee |
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Lee Jae-yong as Gang Boss |
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Jin Kyung as Mi-sun |
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Bae Sung-woo as Sang-jin's Alumnus (uncredited) |
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조진웅 as Chang-soo |
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김지석 as Drunken Man (cameo) (uncredited) |
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이상훈 as Teacher |
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윤영균 as Delivery Man |
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Yang Han-yeol as Ji-min |
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Oh Dal-su as Principle Deok-saeng |
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윤영균 as Delivery man |
| Visual Effects | 전건익 | Special Effects Supervisor |
| Directing | 윤종찬 | Director |
| Editing | Kim Man-geun | Assistant Editor |
| Crew | Jeon Jae-hyeong | Stunts |
| Costume & Make-Up | Shin Jae-ho | Special Effects Makeup Artist |
| Crew | Kwon Tae-ho | Stunts |
| Crew | Choi Bong-rock | Stunts |
| Crew | Jeong Jin-geun | Stunts |
| Writing | Lee Seu-ra | Storyboard |
| Sound | Jung Jin-wook | Production Sound Mixer |
| Camera | Choi Wun-jin | Key Grip |
| Sound | 김미미 | Boom Operator |
| Directing | Eo Jeong-il | Assistant Director |
| Production | Lee Seok-won | Producer |
| Sound | 이승철 | Sound Supervisor |
| Sound | 한명환 | Sound Mixer |
| Writing | Yu Young-ah | Writer |
| Camera | Lee Chang-jae | Director of Photography |
| Sound | Lee Jae-hak | Original Music Composer |
| Costume & Make-Up | 박민희 | Makeup & Hair |
| Production | 방추성 | Producer |
| Costume & Make-Up | Jang Joo-hee | Costume Design |
| Art | Yang Hong-sam | Production Design |
| Editing | 최민영 | Editor |
| Editing | 한미연 | Assistant Editor |
| Sound | 이상훈 | Original Music Composer |
| Crew | 송원종 | Stunts |
| Crew | 윤대원 | Stunts |
