Marina (voice)
Fumie Kashiyama
Fritz the Dolphin (voice)
Mariko Miyagi
Suomi Princess (voice)
Rihoko Yoshida
Crab / Conch (voice)
Kaneta Kimotsuki
Duke the Whale (voice)
Kosei Tomita
Mermaid King (voice)
Hidekatsu Shibata
Prince (voice)
Tarō Shigaki
Whistler (voice)
Ichiro Nagai
Oval Shark (voice)
Kenichi Ogata
Witch (voice)
Haruko Kitahama
Mermaid Crone (voice)
Miyoko Asô
Marina's Sister (voice)
Kazuko Sugiyama
Jemmy the Cat (voice)
Kazuko Sawada
Prince's Mother (voice)
Nana Yamaguchi
Animation Director
Reiko Okuyama
Key Animation
Shingo Araki
Writer
Hans Christian Andersen
Director
Tomoharu Katsumata
Tim Reid
Scenario Writer
Ikuko Oyabu
Mieko Osanai
Tsukasa Tannai
Shinya Takahashi
Iku Ishiguro
Takuo Noda
Kazuo Komatsubara
Tatsuji Kino
Shigeo Matoba
Hideki Mori
Akihiro Ogawa
Koichi Tsunoda
Michihiro Kanayama
Takashi Abe