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Yoo Hai-jin as Tae-soo |
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조진웅 as Seok-ho |
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이서진 as Joon-mo |
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염정아 as Soo-hyun |
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김지수 as Ye-jin |
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송하윤 as Se-kyung |
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윤경호 as Young-bae |
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지우 as So-young |
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Choi Yu-hwa as Chae-young (voice) |
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이순재 as Young-bae's Father (voice) |
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이도경 as Ye-jin's Father (voice) |
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라미란 as So-wol (voice) |
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조정석 as Yeon-woo (voice) |
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조달환 as Detective (voice) |
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김민교 as Min-soo (voice) |
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정석용 as Joon-mo's Friend (voice) |
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최선자 as Tae-soo's Mother (voice) |
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정민규 as Jin-seo |
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정지훈 as Young Joon-mo |
| Visual Effects | Shin Dae-yong | VFX Supervisor |
| Visual Effects | 도광섭 | Special Effects Supervisor |
| Lighting | 이철오 | Lighting Director |
| Visual Effects | Shon Byeong-su | VFX Artist |
| Sound | 김성우 | Foley Mixer |
| Visual Effects | 도광일 | Special Effects Supervisor |
| Visual Effects | Jo Gyeong-hun | VFX Artist |
| Writing | Paola Mammini | Original Film Writer |
| Writing | Paolo Costella | Original Film Writer |
| Writing | Filippo Bologna | Original Film Writer |
| Writing | Paolo Genovese | Original Film Writer |
| Writing | Rolando Ravello | Original Film Writer |
| Sound | 고동훈 | Production Sound Mixer |
| Visual Effects | Yuk Gwan-woo | Visual Effects |
| Writing | 배세영 | Screenplay |
| Directing | JQ Lee | Director |
| Production | Lee Yong-nam | Producer |
| Visual Effects | 이동훈 | VFX Supervisor |
| Art | 조화성 | Production Design |
| Sound | 이승철 | Supervising Sound Editor |
| Sound | 이성진 | Sound Supervisor |
| Camera | 김성안 | Director of Photography |
| Writing | JQ Lee | Adaptation |
| Editing | 신민경 | Editor |
| Production | Cha Won-chun | Executive Producer |
| Production | JQ Lee | Executive Producer |
| Sound | 모그 | Original Music Composer |
| Sound | 한명환 | Sound Mixer |
| Production | Park Cheol-su | Executive Producer |
| Costume & Make-Up | Ko Hee-jung | Costume Design |
| Costume & Make-Up | 조태희 | Makeup & Hair |
| Production | Jeong Gyeong-jae | Executive Producer |
| Editing | 강상우 | Digital Intermediate |
| Sound | 정지영 | Sound Effects Designer |
| Art | 박규빈 | Production Design |
| Visual Effects | 이전형 | Senior Visual Effects Supervisor |
| Visual Effects | Jung Hwang-soo | VFX Supervisor |
| Editing | 박진영 | Digital Intermediate |
| Editing | 류연 | Digital Intermediate Producer |
| Visual Effects | 이승제 | VFX Supervisor |
| Camera | 박찬희 | Grip |
