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신민아 as Yi-young |
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이유영 as Soo-jin |
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이규형 as Hyun-min |
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주석태 as Representative Lee |
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오하늬 as Cho-ah |
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박성연 as Detective Oh |
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허형규 as Detective Kang |
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윤금선아 as Hwang Hyun-sin |
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허동원 as Aquarium manager |
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지수연 as Yoo-jung |
| Costume & Make-Up | 곽태용 | Special Effects Makeup Artist |
| Visual Effects | 도광섭 | Special Effects Supervisor |
| Production | Kim Jin-sun | Executive Producer |
| Sound | 고동훈 | Production Sound Mixer |
| Sound | 김미미 | Boom Operator |
| Directing | Jo Seul-yeah | Director |
| Writing | 유영선 | Writer |
| Production | Kim Yo-hwan | Producer |
| Costume & Make-Up | Kye Seon-mi | Makeup & Hair |
| Lighting | Cho Gyu-young | Lighting Director |
| Camera | Kim Sun-ryung | Director of Photography |
| Costume & Make-Up | 최의영 | Costume Design |
| Art | Kim Young-tak | Production Design |
| Sound | Lee In-gyu | Sound Supervisor |
| Editing | 최민영 | Editor |
| Sound | Kim Jun-seong | Original Music Composer |
| Editing | Kim Woo-hyun | Editor |
| Editing | Park Kyoung-suk | Editor |
| Sound | Sung Yoon-yong | Sound Supervisor |
| Writing | Jo Seul-yeah | Writer |
| Production | Kim Yoon-mi | Executive Producer |
| Sound | Jo Ran | Original Music Composer |
| Art | Kim Jin-young | Art Direction |
| Directing | Lee Yang-jun | Assistant Director |
| Crew | 박근석 | Stunts |
| Visual Effects | 황용태 | VFX Supervisor |
| Production | Jang You-joung | Associate Producer |
| Camera | 송호연 | "B" Camera Operator |
| Editing | 조신영 | Digital Intermediate |
