Chu Zumo is the story of an old farmer who discovers a group of rats heading to a sumo wrestling bout. After they lose miserably he decides to feed the rats to boost their chances of winning.
| Writing | Hayao Miyazaki | Screenplay |
| Directing | Akihiko Yamashita | Director |
| Sound | Manto Watanobe | Music |
| Writing | Akihiko Yamashita | Storyboard |
| Production | Toshio Suzuki | Producer |
| Visual Effects | Mariko Suzuki | Animation |
| Camera | Atsushi Okui | Director of Photography |
| Editing | Takeshi Seyama | Editor |
| Visual Effects | Asami Ishikado | Key Animation |
| Visual Effects | Atsuko Tanaka | Key Animation |
| Visual Effects | Atsushi Tamura | Key Animation |
| Visual Effects | Hideaki Yoshio | Key Animation |
| Visual Effects | Hiroomi Yamakawa | Key Animation |
| Visual Effects | Kenichi Yamada | Key Animation |
| Visual Effects | Makiko Suzuki | Key Animation |
| Visual Effects | Mariko Matsuo | Key Animation |
| Visual Effects | Masako Sato | Key Animation |
| Visual Effects | Moyo Takahashi | Key Animation |
| Visual Effects | Shinji Otsuka | Key Animation |
| Visual Effects | Shougo Furuya | Key Animation |
| Visual Effects | Tomoko Miura | Key Animation |
| Visual Effects | Yuuko Azuma | Key Animation |
| Art | Eiko Matsushima | Painter |
