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이세영 as Yu-mi |
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박지영 as Gyeong-seon |
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박효주 as Lee Ye-rin |
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박소이 as Yoon Ji-yoo |
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전수지 as Choi Yoon-hee |
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이주원 as Oh Seok-hyeon |
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김보윤 as Seo Eun-gyeong |
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Wang Seok-hyeon as Middle School Student |
| Editing | Kim Ji-min | Digital Intermediate |
| Visual Effects | Park Si-hwan | VFX Supervisor |
| Visual Effects | Kim Gwang-su | Special Effects Supervisor |
| Sound | Choi Jung-in | Original Music Composer |
| Costume & Make-Up | Yun Jin-seon | Costume Design |
| Directing | 윤은경 | Director |
| Production | Lee Eun-sil | Executive Producer |
| Production | 곽용수 | Executive Producer |
| Production | Kim Tae-hun | Producer |
| Writing | 윤은경 | Screenplay |
| Art | 김남호 | Set Decoration |
| Art | 김정민 | Set Decoration |
