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Park Bo-young as Se-Hee |
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주원 as Joon-Hyuk |
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강별 as Jung-Mi |
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Kim Min-hyuk as Detective Kim |
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Lee Marg-Eum as girl |
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Kang Hae-In as cutie |
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Kwon Nam-hee as girl's mother |
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정동규 as Se-Hee's father |
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Choi Ji-Hun as Ji-Hun |
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Nam Kyung-eup as Detective Jang |
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Min Young as homeroom teacher (uncredited) |
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Han Ye-Na as teacher (uncredited) |
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Joo Ha-rin as Jane Doe [Old Woman with Perm] |
| Production | 차지현 | Executive Producer |
| Camera | Kim Gi-tae | Director of Photography |
| Directing | 김태경 | Director |
| Writing | Hong Geon-Gook | Writer |
| Writing | Kim Tae-Hyoung | Writer |
| Production | Kim Yong | Producer |
| Sound | 이승철 | Sound Supervisor |
| Production | Jang Won-seok | Executive Producer |
| Art | Lee Yo-han | Production Design |
| Costume & Make-Up | 채경화 | Costume Design |
| Writing | 최관영 | Writer |
