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김윤석 as Soo-hyun |
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변요한 as Young Soo-hyun |
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채서진 as Yeon-ah |
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김상호 as Tae-ho |
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안세하 as Young Tae-ho |
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박혜수 as Soo-a |
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김호정 as Song Hye-won |
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김성령 as Yeon-ah |
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장리우 as Mother |
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정인기 as Manager Yoon |
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이유미 as Yeon-ah's Staff |
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박길수 as Barbershop Owner |
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황동희 as Doctor Yuna |
| Lighting | Kang Dae-hui | Lighting Director |
| Art | Jeon Sung-ho | Set Decoration |
| Writing | Park Song-i | Storyboard |
| Sound | Lee Soon-sung | Production Sound Mixer |
| Directing | 홍지영 | Director |
| Writing | Guillaume Musso | Novel |
| Writing | 홍지영 | Screenplay |
| Camera | 박홍열 | Director of Photography |
| Crew | Han Dae-ryong | Stunts |
| Art | Jeon Jin-won | Art Direction |
| Editing | Park Kyoung-suk | Editor |
| Production | Park Sun-hye | Producer |
| Costume & Make-Up | Jang Yoon-jung | Makeup & Hair |
| Art | 장춘섭 | Production Design |
| Production | 민진수 | Executive Producer |
| Directing | 윤영우 | Assistant Director |
| Costume & Make-Up | 채경화 | Costume Design |
| Production | Ryu Jae-jun | Line Producer |
| Camera | 정훈 | Key Grip |
| Writing | Byun Hye-joo | Adaptation |
