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장혁 as Kim Kyung-soo |
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신민아 as Yoo Chae-yi |
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Kim Hyeong-jong as Shimma |
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변희봉 as Jang Hak-sa |
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허준호 as Mr. Ma |
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공효진 as So Yo-seon |
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김수로 as Jang Ryang |
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권상우 as Song Hak-rim |
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조성하 as Korean Language Teacher |
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Seo Beom-sik as Athletics |
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정상훈 as Con Cho |
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윤문식 as Principal |
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Lee Yu-mi as |
| Directing | 김태균 | Director |
| Writing | Seo Dong-heon | Writer |
| Writing | 김태균 | Writer |
| Visual Effects | 장성호 | Visual Effects Supervisor |
| Costume & Make-Up | Choi Sae Mi | Costume Designer |
| Sound | Park Young | Sound |
| Production | Jack Maeby | Producer |
| Art | Kyeong-hie Kim | Art Direction |
| Crew | 김원중 | Stunt Coordinator |
| Camera | Choi Yeong-taek | Director of Photography |
| Editing | Ko Im-pyo | Editor |
| Writing | Park Hun-soo | Writer |
| Writing | Heo Gyun | Writer |
| Writing | Jang An-cheol | Writer |
| Art | Jang Geun-yeong | Production Design |
| Production | Tcha Sung-jai | Producer |
| Lighting | Jung Young-min | Lighting Director |
