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최민식 as Ri Hak-sung |
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김동휘 as Han Ji-woo |
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박해준 as Ahn Gi-chul |
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박병은 as Kim Geun-ho |
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조윤서 as Park Bo-ram |
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탕준상 as Tae-yeon |
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김원해 as Park Pil-joo |
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주진모 as Professor Oh |
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김희정 as Bo-ram's Mother |
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강말금 as Ji-woo's Mother |
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Joo Ye-rin as Korean Teacher |
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정승길 as NIS Agent |
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신재휘 as Student 5 |
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강준규 as Ui-joon |
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김소숙 as Principal |
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최재섭 as Hanbok Teacher |
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노종현 as Ddal-bong |
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신미영 as Missionary |
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이시우 as Young Professor Oh |
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황재순 as Euler instructor |
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김승태 as Doctor |
| Editing | 김선민 | Editor |
| Costume & Make-Up | Kim Tae-yeon | Costume Design |
| Lighting | Kang Dae-hui | Lighting Director |
| Costume & Make-Up | 조태희 | Makeup & Hair |
| Sound | 이지수 | Original Music Composer |
| Art | 최효선 | Props |
| Art | Kim Yeong-hui | Production Design |
| Visual Effects | 전건익 | Special Effects Supervisor |
| Camera | 박홍열 | Director of Photography |
| Sound | 이승엽 | Sound Supervisor |
| Crew | 김용호 | Martial Arts Choreographer |
| Production | 하정완 | Executive Producer |
| Sound | 고준영 | Production Sound Mixer |
| Visual Effects | Yoon Choong-yeol | VFX Supervisor |
| Production | 김도수 | Executive Producer |
| Production | Yi Jae-min | Line Producer |
| Visual Effects | 김태의 | VFX Supervisor |
| Art | 이기석 | Set Decoration |
| Art | Lee Jeong-hyeon | Art Direction |
| Editing | 김지민 | Digital Intermediate |
| Directing | Park Dong-hun | Director |
| Editing | 이은송 | Digital Intermediate |
| Visual Effects | Park Seong-hyeon | Compositing Artist |
| Visual Effects | Kim Yong-u | CGI Director |
| Camera | 송경민 | Key Grip |
| Camera | 채정석 | "B" Camera Operator |
| Writing | 이용재 | Writer |
| Production | 황재순 | Producer |
| Production | 이재우 | Co-Executive Producer |
| Costume & Make-Up | 육은향 | Makeup Artist |
