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윤아영 as Kim Yumi (voice) |
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신범식 as Yoo Babi (voice) |
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송하림 as Yoo Daeun (voice) |
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안소이 as Love Cell (voice) |
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사문영 as Anxiety Cell (voice) |
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이슬 as Writer Cell (voice) |
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박지윤 as Emotional Cell (voice) |
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심규혁 as Rational Cell (voice) |
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엄상현 as Hysterius (voice) |
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정재헌 as Detective Cell (voice) |
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김연우 as Shower Cell (voice) |
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이장원 as Hungry Cell (voice) |
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안영미 as Naughty Cell (voice) |
| Production | 권미경 | Producer |
| Writing | Lee Jeong-a | Writer |
| Writing | Park Seong-hee | Adaptation |
| Writing | 황석희 | Dialogue |
| Production | Kim Dan-ah | Production Manager |
| Production | Cha Ga-hyeon | Production Manager |
| Visual Effects | Park Geun-yeong | Modelling Supervisor |
| Lighting | Han Sang-hwan | Rigging Supervisor |
| Visual Effects | Jeong Gwang-jo | Animation Supervisor |
| Lighting | Yoon Yeong-wook | Lighting Supervisor |
| Visual Effects | Kim Yeong-jo | Effects Supervisor |
| Visual Effects | Kang Dong-eok | Compositing Supervisor |
| Writing | Gu Yu-yeon | Storyboard |
| Writing | Choi Hyeon-myeong | Storyboard |
| Production | Choi Seong-pil | Producer |
| Production | Jeong Da-eun | Producer |
| Production | Lee Ha-rim | Producer |
| Production | Jeong Yun-jae | Producer |
| Art | Lee Seok-gi | Production Design |
| Visual Effects | Lee Jae-seong | VFX Supervisor |
| Visual Effects | Eom Gi-yeong | VFX Supervisor |
| Directing | Seok Hyo-ju | Assistant Director |
| Production | Baek Hye-min | Line Producer |
| Sound | Im Mi-hyeon | Music Director |
| Sound | Kim Tae-seong | Music Director |
| Sound | Im Mi-hyeon | Original Music Composer |
| Sound | Park Jeong-eun | Original Music Composer |
| Sound | Choi Jung-in | Original Music Composer |
| Writing | Choi Su-mi | Lyricist |
| Sound | Nah Sang-hyun | Songs |
| Writing | Nah Sang-hyun | Lyricist |
| Sound | Kim Byung-kyu | Songs |
| Sound | Choi Su-mi | Theme Song Performance |
| Sound | Nah Sang-hyun | Theme Song Performance |
| Sound | Gim Yoon-ju | Songs |
| Writing | Gim Yoon-ju | Lyricist |
| Sound | 김고은 | Theme Song Performance |
| Sound | Kim Seok-won | Sound Supervisor |
| Sound | Jo Min-gyeong | ADR Supervisor |
| Sound | Kim Hyeon-jun | Foley Supervisor |
| Writing | 이동건 | Comic Book |
| Production | 황수진 | Producer |
| Directing | 김다희 | Director |
| Art | 이동건 | Original Series Design |
