In pursuit of her lifelong dream of becoming a writer, Yumi takes the bold step of quitting her job to focus on preparing for a novel contest. From the Schedule Cell meticulously planning her writing schedule to the Writer Cell tirelessly seeking inspiration and the Cheapskate Cell tightening the purse strings, every cell works diligently to support Yumi in her aspirations. Yet, as worries about the future begin to mount, Anxiety Cell looms larger, casting a shadow over Yumi’s determination. Even the Love Cell, once sweet and hopeful, turns bitter and skeptical as her relationship with Babi hits rough patches. With conflicts among the cells intensifying, the Cell Village finds itself confronting a crisis unlike any it has faced before…
Unfortunately the movie Yumi's Cells: The Movie is not yet available on HBO Max.
| Directing | Kim Da-hee | Director |
| Writing | Lee Dong-geon | Original Story |
| Production | Kwon Mi-kyung | Producer |
| Writing | Lee Jeong-a | Writer |
| Visual Effects | Kim Yeong-jo | Effects Supervisor |
| Production | Jeong Yun-jae | Producer |
| Visual Effects | Lee Jae-seong | VFX Supervisor |
| Visual Effects | Eom Gi-yeong | VFX Supervisor |
| Lighting | Han Sang-hwan | Rigging Supervisor |
| Visual Effects | Jeong Gwang-jo | Animation Supervisor |
| Production | Cha Ga-hyeon | Production Manager |
| Production | Baek Hye-min | Line Producer |
| Production | Jeong Da-eun | Producer |
| Production | Kim Dan-ah | Production Manager |
| Writing | Hwang Seok-hee | Dialogue |
| Production | Lee Ha-rim | Producer |
| Writing | Choi Hyeon-myeong | Storyboard |
| Production | Choi Seong-pil | Producer |
| Visual Effects | Park Geun-yeong | Modelling Supervisor |
| Lighting | Yoon Yeong-wook | Lighting Supervisor |
| Production | Hwang Su-jin | Producer |
| Writing | Gu Yu-yeon | Storyboard |
| Art | Lee Seok-gi | Production Design |
| Writing | Park Seong-hee | Adaptation |
| Directing | Seok Hyo-ju | Assistant Director |
| Visual Effects | Kang Dong-eok | Compositing Supervisor |
| Sound | Im Mi-hyeon | Original Music Composer |
| Sound | Nah Sang-hyun | Theme Song Performance |
| Writing | Nah Sang-hyun | Lyricist |
| Sound | Kim Go-eun | Theme Song Performance |
| Sound | Kim Hyeon-jun | Foley Supervisor |
| Sound | Nah Sang-hyun | Songs |
| Sound | Kim Tae-seong | Music Director |
| Writing | Gim Yoon-ju | Lyricist |
| Sound | Im Mi-hyeon | Music Director |
| Sound | Park Jeong-eun | Original Music Composer |
| Sound | Jo Min-gyeong | ADR Supervisor |
| Writing | Choi Su-mi | Lyricist |
| Sound | Choi Su-mi | Theme Song Performance |
| Sound | Gim Yoon-ju | Songs |
| Sound | Kim Seok-won | Sound Supervisor |
| Sound | Choi Jung-in | Original Music Composer |
| Sound | Kim Byung-kyu | Songs |
