Characters played by Masako Ebisu
Mitsuko
Characters played by Akemi Hirokawa
Pipi
Characters played by Gentarô Inoue
Kenta
Characters played by Kaneta Kimotsuki
Karu Yasu
Characters played by Yonehiko Kitagawa
Poseidon
Characters played by Haruko Kitahama
Ruka
Characters played by Hiroshi Masuoka
Doriate Gosuke
Characters played by Taeko Nakanishi
Heptaboda
Characters played by Kei'ichi Noda
Triton's father
Characters played by Toshiko Sawada
Triton's mother
Characters played by Hidekatsu Shibata
Minortas
Characters played by Ryûsuke Shiomi
Medon
Characters played by Yoku Shioya
Triton
Characters played by Kazuko Sugiyama
Fin
Characters played by Junpei Takiguchi
Proteus
Characters played by Ryôichi Tanaka
Goro
Characters played by Takashi Toyama
Medon
Characters played by Nobuyo Tsuda
Otoyo
Characters played by Tsuyoshi Watanabe
Poseidon
Characters played by Kôji Yada
Makasu Sabu
Characters played by Jôji Yanami
Ippei
Characters played by Hiroshi Ôtake
Iru