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Jeon Do-yeon as Song Jung-yeon |
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고수 as Im Jong-bae |
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Kang Ji-woo as Hye-rin |
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최민철 as Seo Moon-do |
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Lee Dong-hwi as Gwang-sik |
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박지환 as Tae-gwang |
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Seo Jin-won as Sang-chul |
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Choi Gwi-hwa as Detective from Seoul Prosecutor's Office |
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Corinne Masiero as Hellboy |
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Joanna Kulig as Yalka |
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허준석 as Soo-Jae |
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배성우 as Korean Embassy Employee |
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김해곤 as Proxy Driver Client |
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이민웅 as Korean Embassy Employee 1 |
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동효희 as Jong-bae Older Sister |
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Jang Kwang as Ambassador to France |
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최영우 as Broker |
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박재철 as Student |
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김현민 as jjimjilbang (sauna) counter |
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오연아 as Su-ji |
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강소이 as Post office worker |
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최지현 as Student |
| Lighting | 이성환 | Lighting Director |
| Crew | Lee Sang-ha | Martial Arts Choreographer |
| Directing | Kim Sung-han | Assistant Director |
| Writing | Park Song-i | Storyboard |
| Art | Im Se-jin | Art Designer |
| Production | Seo Young-hee | Co-Producer |
| Crew | Jeong Seong-ho | Stunts |
| Sound | 한철희 | Production Sound Mixer |
| Directing | Gwon Hui-cheol | Assistant Director |
| Camera | 이모개 | Director of Photography |
| Directing | 방은진 | Director |
| Production | Choi Won-ki | Line Producer |
| Camera | 김성안 | Camera Operator |
| Production | 강명찬 | Producer |
| Writing | 이정범 | Adaptation |
| Production | 장원석 | Executive Producer |
| Sound | 공태원 | Sound Supervisor |
| Art | Lee Nae-kyung | Production Design |
| Camera | Lee Tae-yoon | Camera Operator |
| Costume & Make-Up | 송종희 | Makeup & Hair |
| Art | 전재욱 | Props |
| Art | 서성경 | Art Direction |
| Costume & Make-Up | 채경화 | Costume Design |
| Writing | Lee Jung-hwa | Adaptation |
| Writing | 방은진 | Adaptation |
| Writing | Shin Dong-sun | Adaptation |
| Writing | Yoon Jin-ho | Screenplay |
| Editing | 박진영 | Digital Intermediate |
| Production | Lee So-rim | Associate Producer |
| Visual Effects | 김용수 | Visual Effects |
| Camera | 박찬희 | Grip |
