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신혜선 as So Si-min |
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이준영 as Han Su-gang |
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박정우 as Ko Jin-hyoung |
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박혁권 as So Young-taek |
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차청화 as Lee Jae-gyeong |
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이찬형 as Lee Gwon-joong |
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손숙 as Jin-hyoung's Grandmother |
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Bae Hyeon-jun as Byeong-jin |
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차우민 as Lee Moon-gi |
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Kim Sang-woo as Park Jung-ho |
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Lee Tae-hee as Kim Jeong-gyu |
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Lee Tae-gyun as Byun Jae-hyeok |
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Kang Anna as Song Eun-gyo |
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강나루 as Min-ji |
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이규회 as Head Teacher |
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이중옥 as Seo Sang-woo |
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동효희 as English Teacher |
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Nam Jeong-woo as Math Teacher |
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김경룡 as Principal |
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이도은 as Hye-gyeong |
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최리호 as Chauffeur |
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이주미 as Costume manager |
| Writing | Yeoh Gee-na | Writer |
| Directing | 박진표 | Director |
| Writing | Hyeon Choong-yeol | Writer |
| Editing | Kim Woo-hyun | Editor |
| Sound | 달파란 | Original Music Composer |
| Visual Effects | 전건익 | Special Effects Supervisor |
| Sound | 김창섭 | Sound Supervisor |
| Crew | Yoon Seong-min | Martial Arts Choreographer |
| Visual Effects | Kim Hyeok | VFX Supervisor |
| Writing | 박진표 | Adaptation |
| Lighting | 배일혁 | Lighting Director |
| Art | Shin Soon-ok | Production Design |
| Production | Lee Jun-sang | Producer |
| Editing | 김하나 | Editor |
| Crew | 허명행 | Martial Arts Choreographer |
| Costume & Make-Up | Ko Hee-jung | Costume Design |
| Art | Lee Mi-kyoung | Production Design |
| Costume & Make-Up | Park Hui-jeong | Makeup & Hair |
| Production | 권미경 | Executive Producer |
| Production | 구정아 | Co-Executive Producer |
| Camera | Kim Yong-seong | Director of Photography |
| Art | Im Ho-sang | Props |
| Writing | 김정현 | Comic Book |
| Crew | 이병희 | Stunts |
| Sound | 조우진 | Sound Recordist |
| Directing | 곽병민 | Assistant Director |
| Crew | 천준호 | Stunts |
| Visual Effects | 황진혜 | VFX Supervisor |
| Crew | 이원행 | Stunts |
| Camera | 방성환 | Key Grip |
