When Sosuke, a young boy who lives on a clifftop overlooking the sea, rescues a stranded goldfish named Ponyo, he discovers more than he bargained for. Ponyo is a curious, energetic young creature who yearns to be human, but even as she causes chaos around the house, her father, a powerful sorcerer, schemes to return Ponyo to the sea.
| Actor | Role |
|---|---|
 Yuria KozukiPonyo (voice) | Ponyo (voice) |
 Hiroki DoiSosuke (voice) | Sosuke (voice) |
 George TokoroFujimoto (voice) | Fujimoto (voice) |
 Tomoko YamaguchiRisa (voice) | Risa (voice) |
 Yuki AmamiGran Mamare (voice) | Gran Mamare (voice) |
 Kazushige NagashimaKoichi (voice) | Koichi (voice) |
 Akiko YanoPonyo's Sister (voice) | Ponyo's Sister (voice) |
 Shin'ichi HatoriAnchorman (voice) | Anchorman (voice) |
 Tokie HidariKayo (voice) | Kayo (voice) |
 Rumi HiiragiYoung Mother (voice) | Young Mother (voice) |
 Tomoko NaraokaYoshie (voice) | Yoshie (voice) |
 Kazuko YoshiyukiToki (voice) | Toki (voice) |
 Eimi HiraokaKumiko (voice) | Kumiko (voice) |
 Nozomi ŌhashiKaren (voice) | Karen (voice) |
 Akiko TakeguchiNoriko (voice) | Noriko (voice) |
 Eiko Kanazawa(voice) | (voice) |
 Akihiko Ishizumi(voice) | (voice) |
 Tomie Kataoka(voice) | (voice) |
 Shirou Saitou(voice) | (voice) |
 Mutsumi Sasaki(voice) | (voice) |
 Keiko Tsukamoto(voice) | (voice) |
 Ikuko Yamamoto(voice) | (voice) |
 Michiko Yamamoto(voice) | (voice) |
 Yoshie Yamamoto(voice) | (voice) |
 Yusuke Tezuka(voice) | (voice) |