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임수정 as Su-mi |
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문근영 as Su-yeon |
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염정아 as Eun-joo |
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김갑수 as Moo-hyeon |
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박미현 as Birth Mother |
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이승비 as Mi-hee |
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우기홍 as Sun-kyu |
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이대연 as Doctor |
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노승진 as Hwang |
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송인혁 as Jang |
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이영실 as Woman |
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원애리 as Nurse |
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김성영 as Nurse |
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김송이 as Su-mi (young) |
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박서인 as Su-yeon (young) |
| Camera | 이모개 | Director of Photography |
| Production | 오정완 | Producer |
| Production | Oh Ki-min | Producer |
| Production | 최재원 | Executive Producer |
| Sound | 이병우 | Original Music Composer |
| Sound | Kim Kyung-tae | Production Sound Mixer |
| Sound | Kang Kyeong-han | Sound Supervisor |
| Art | Jeon Ro-bin | Props |
| Art | Gang Chang-gil | Set Decoration |
| Directing | 김지운 | Director |
| Writing | 김지운 | Screenplay |
| Production | Kim Jung-hwa | Producer |
| Art | 조근현 | Production Design |
| Editing | 고임표 | Editor |
| Sound | 최태영 | Sound Supervisor |
| Costume & Make-Up | Choi Sun-ok | Costume Design |
| Costume & Make-Up | Kim Do-hee | Makeup & Hair |
| Directing | Lee So-yeong | Assistant Director |
| Sound | Lee In-gyu | Sound Designer |
| Lighting | 오승철 | Lighting Director |
| Costume & Make-Up | 옥수경 | Costume Design |
| Visual Effects | 김재민 | Special Effects Supervisor |
