Yuria Kozuki

Ponyo (voice)

Hiroki Doi

Sosuke (voice)

George Tokoro

Fujimoto (voice)

Tomoko Yamaguchi

Risa (voice)

Yûki Amami

Gran Mamare (voice)

Kazushige Nagashima

Koichi (voice)

Akiko Yano

Ponyo's Sister (voice)

Shin'ichi Hatori

Anchorman (voice)

Tokie Hidari

Kayo (voice)

Rumi Hiiragi

Young Mother (voice)

Tomoko Naraoka

Yoshie (voice)

Kazuko Yoshiyuki

Toki (voice)

Eimi Hiraoka

Kumiko (voice)

Nozomi Ōhashi

Karen (voice)

Akiko Takeguchi

Noriko (voice)

Eiko Kanazawa

(voice)

Akihiko Ishizumi

(voice)

Tomie Kataoka

(voice)

Shirou Saitou

(voice)

Mutsumi Sasaki

(voice)