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Yoona as Seon-ji |
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안보현 as Gil-gu |
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성동일 as Jang-su |
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주현영 as Ah-ra |
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신현수 as Yeong-sik |
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고건한 as Hee-bum |
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한재아 as Main body of Moon-yang |
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송덕호 as Young Jang-su |
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박은진 as Seon-ji's Mother |
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정지우 as Seon-ji's Maternal Great-grandmother |
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이시래 as Seon-ji's Maternal Great-grandfather |
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나경숙 as Seon-ji's Maternal Great-grandmother's Mother-in-Law |
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이효비 as 8-year-old Seon-ji |
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김예나 as 15-year-old Seon-ji |
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김은수 as Convenience Store Part-timer |
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백승철 as Middle-aged Male Patient |
| Directing | 이상근 | Director |
| Writing | 이상근 | Screenplay |
| Lighting | 김민재 | Lighting Director |
| Production | Baek Hyun-ik | Producer |
| Camera | 김일연 | Director of Photography |
| Editing | 이강희 | Editor |
| Sound | 이지수 | Original Music Composer |
| Art | 채경선 | Production Design |
| Costume & Make-Up | 김다정 | Costume Design |
| Costume & Make-Up | 문선영 | Makeup & Hair |
| Costume & Make-Up | 황효균 | Special Effects Makeup Artist |
| Sound | 최민호 | Production Sound Mixer |
| Visual Effects | Jung Do-ahn | Special Effects Supervisor |
| Visual Effects | 최정욱 | Special Effects Supervisor |
| Visual Effects | 김한준 | Visual Effects |
| Visual Effects | 전소미 | Visual Effects |
| Editing | 김형석 | Colorist |
| Crew | 권지훈 | Martial Arts Choreographer |
| Crew | 천준호 | Martial Arts Choreographer |
| Production | 강혜정 | Producer |
| Production | Ryoo Seung-wan | Producer |
| Production | 조성민 | Producer |
| Art | 김정훈 | Set Decoration |
| Art | 박성윤 | Props |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Sound | 김창섭 | Sound Supervisor |
| Camera | Jeon Young-wook | Still Photographer |
| Directing | 최은애 | Assistant Director |
| Production | 유국영 | Line Producer |
