Het visje Ponyo leeft samen met honderden broertjes en zusje in een afgesloten onderwaterwereld. Haar vader heeft deze wereld, die lijkt op één groot laboratorium, zelf gemaakt.
| Sound | 山口美香 | Foley Artist |
| Sound | Shuji Inoue | Sound Mixer |
| Sound | 木村絵理子 | Sound Director |
| Directing | 宮崎駿 | Director |
| Production | 星野康二 | Executive Producer |
| Production | 鈴木敏夫 | Producer |
| Camera | 奥井敦 | Director of Photography |
| Editing | 瀬山武司 | Editor |
| Art | 吉田昇 | Art Direction |
| Visual Effects | 近藤勝也 | Animation Director |
| Visual Effects | 田中敦子 | Key Animation |
| Visual Effects | Kenichi Yamada | Key Animation |
| Visual Effects | Hideaki Yoshio | Key Animation |
| Visual Effects | 山森英司 | Key Animation |
| Visual Effects | Kazuyoshi Onoda | Key Animation |
| Visual Effects | 松尾真理子 | Key Animation |
| Visual Effects | 古屋勝悟 | Key Animation |
| Visual Effects | Makiko Suzuki | Key Animation |
| Production | 奥田誠治 | Production Manager |
| Visual Effects | 田村篤 | Key Animation |
| Visual Effects | 米林宏昌 | Key Animation |
| Visual Effects | 横田匡史 | Key Animation |
| Production | Ryoichi Fukuyama | Production Manager |
| Visual Effects | 佐藤雅子 | Key Animation |
| Production | 藤巻直哉 | Production Manager |
| Visual Effects | 廣田俊輔 | Key Animation |
| Visual Effects | 二木真希子 | Key Animation |
| Visual Effects | 大塚伸治 | Key Animation |
| Visual Effects | 濱洲英喜 | Key Animation |
| Visual Effects | 小西賢一 | Key Animation |
| Visual Effects | Sachiko Sugino | Key Animation |
| Visual Effects | 箕輪博子 | Key Animation |
| Visual Effects | 武内宣之 | Key Animation |
| Visual Effects | 山川浩臣 | Key Animation |
| Visual Effects | 橋本敬史 | Key Animation |
| Visual Effects | 本田雄 | Key Animation |
| Art | 伊奈涼子 | Background Designer |
| Visual Effects | Fumie Konno | Key Animation |
| Art | 平原さやか | Background Designer |
| Art | 福留嘉一 | Background Designer |
| Art | Masako Nagata | Background Designer |
| Art | 渡邊洋一 | Background Designer |
| Art | 矢野きくよ | Background Designer |
| Art | 西川洋一 | Background Designer |
| Art | 増山修 | Background Designer |
| Visual Effects | Junji Yabuta | Compositing Artist |
| Visual Effects | Tsutomu Awata | Key Animation |
| Visual Effects | Atsushi Tamura | Compositing Artist |
| Visual Effects | 末吉裕一郎 | Key Animation |
| Art | 田中直哉 | Assistant Art Director |
| Art | 春日井直美 | Assistant Art Director |
| Art | 大森崇 | Assistant Art Director |
| Art | 芳野満雄 | Background Designer |
| Art | 高松洋平 | Background Designer |
| Art | 佐藤詩穂 | Background Designer |
| Visual Effects | Hidenori Shibahara | Compositing Artist |
| Visual Effects | Norihiko Miyoshi | Compositing Artist |
| Visual Effects | Miki Sato | Compositing Artist |
| Sound | 笠松 広司 | Sound Effects |
| Editing | 松原理恵 | Assistant Editor |
| Editing | Keiko Kadokawa | Assistant Editor |
| Editing | 佐々木紘美 | Assistant Editor |
| Writing | 宮崎駿 | Original Story |
| Art | Yoshimi Shibata | Painter |
| Sound | 久石譲 | Original Music Composer |
| Writing | 宮崎駿 | Writer |
| Art | 松島英子 | Painter |
| Art | 男鹿和雄 | Background Designer |
| Visual Effects | 保田道世 | Color Designer |
| Art | 武重洋二 | Background Designer |
