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Yeon Woo-jin as Chang-seok |
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Kim Sang-ho as Sung-ha |
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IU as Mi-young |
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Moon Sook as Chang-seok's Mother |
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Lee Joo-young as Ju-eun |
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윤혜리 as Yoo-jin |
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Kim Keum-soon as Soliloquizer |
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임선우 as Hye-gyeong |
| Sound | 김석원 | Sound Supervisor |
| Art | Choi Yeon-sik | Production Design |
| Editing | 원창재 | Editor |
| Production | Lee Jun-sang | Producer |
| Camera | 김태수 | Director of Photography |
| Production | Son Jin-woo | Data Management Technician |
| Editing | 김형석 | Digital Intermediate |
| Sound | 전영기 | Production Sound Mixer |
| Visual Effects | 한재호 | Visual Effects |
| Editing | 강사라 | Project Manager |
| Editing | Kim Won-hak | Digital Intermediate |
| Camera | 박관열 | Key Grip |
| Directing | 김종관 | Director |
| Writing | 김종관 | Writer |
| Sound | 나래 | Original Music Composer |
