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Um Tae-goo as Byung-gu |
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Lee Hye-ri as Min-ji |
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Hee-won Kim as Master Park |
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최준영 as Gyo-seok |
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이설 as Ji-yeon |
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최덕문 as Mr. Jang |
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임성미 as Doctor |
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임한빈 as Han-bin |
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장선 as Staff |
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유창숙 as Min-ji's Grandmother |
| Editing | Kim Sung-hoon | Assistant Editor |
| Crew | Lee Sang-ha | Martial Arts Choreographer |
| Lighting | 이승호 | Lighting Director |
| Sound | Ko Dong-hun | Production Sound Mixer |
| Visual Effects | Yang Il-seok | VFX Supervisor |
| Editing | Jeong Hye-ri | Digital Intermediate |
| Visual Effects | Min Jun-ho | VFX Supervisor |
| Directing | Jung Hyuk-ki | Director |
| Writing | Jung Hyuk-ki | Writer |
| Writing | 조현철 | Writer |
| Production | Kim Jae-hee | Producer |
| Production | Lee Jung-eun | Producer |
| Production | An Eun-mi | Executive Producer |
| Camera | 강민우 | Director of Photography |
| Sound | 장영규 | Original Music Composer |
| Art | Choi Chi-youl | Art Direction |
| Art | 김수현 | Production Design |
| Writing | Kang Sook | Storyboard |
| Costume & Make-Up | 김하경 | Costume Design |
