Sosuke (宗介) - Doi Hiroki (土井洋輝)
Ponyo (ポニョ) - Nara Yuria (奈良柚莉愛)
Sosuke's mother Lisa (リサ) - Yamaguchi Tomoko (山口智子)
Sosuke's father Koichi (耕一) - Nagashima Kazushige (長嶋一茂)
Ponyo's mother Gran Manmare (グランマンマーレ) - Amami Yuki (天海祐希)
Ponyo's father Fujimoto (フジモト) - Tokoro Joji (所ジョージ)
Toki (トキ) - Kazuko Yoshiyuki (吉行和子)
Yoshie (ヨシエ) – Naraoka Tomoko (奈良岡朋子)
