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이제훈 as Dong-gu |
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조우진 as Dr. Jones |
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신혜선 as Se-hee |
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임원희 as Sabdari |
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송영창 as Sang-gil |
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주진모 as Man-gi |
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이성욱 as Gwang-cheol |
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박세완 as Hye-ri |
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박진우 as Squad Chief Oh |
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Lee Jun-hyeok as Antique Shop Owner |
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허성태 as Vipers' Leader |
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김주령 as Broker |
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이상희 as Janitor |
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윤영균 as Vipers Gang Member |
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Yoon Byung-hee as Mr. Park |
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윤세현 as Audience 2 at Osong Museum |
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윤영균 as Viper Gang Member 3 |
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김우현 as Viper Gang Member 5 |
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송형수 as Secretary |
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양미선 as Chinese customer 2 |
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Woo Kang-min as Gwang-cheol's gang member |
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김수우 as Massage Staff 1 |
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김하영 as Massage Staff 2 |
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남지우 as Young San-gil's Subordinate |
| Crew | 김용호 | Stunts |
| Crew | 최광락 | Stunts |
| Editing | Park Jin-young | Digital Intermediate |
| Directing | Park Sin-woong | Assistant Director |
| Crew | Jeong Seong-ho | Martial Arts Choreographer |
| Sound | Jeong Gwang-ho | Production Sound Mixer |
| Camera | Kim Yong-seong | Camera Operator |
| Visual Effects | 정재훈 | VFX Supervisor |
| Camera | Jeon Young-wook | Still Photographer |
| Production | Hwang Dong-hyuk | Executive Producer |
| Directing | Park Jung-bae | Director |
| Production | Han Heung-seok | Producer |
| Writing | Hwang Dong-hyuk | Adaptation |
| Costume & Make-Up | 이진영 | Makeup & Hair |
| Production | Kim Ji-yeon | Executive Producer |
| Camera | 김성안 | Director of Photography |
| Lighting | Park Ji-sung | Lighting Director |
| Writing | Ryu Sun-gyu | Writer |
| Editing | 남나영 | Editor |
| Sound | 달파란 | Original Music Composer |
| Art | Shin Yoo-jin | Production Design |
| Art | 김남호 | Set Decoration |
| Production | Choi Jin | Producer |
| Art | You Cheong | Props |
| Sound | 공태원 | Sound Supervisor |
| Writing | Kim Jae-hwan | Adaptation |
| Costume & Make-Up | 채경화 | Costume Design |
| Camera | 정귀호 | Camera Operator |
