* Kazuki Yoshihiro Hoshihiko Mizukina
* Sumi Shimamoto hahmona Haruka Urashima
* Tomoki Ohmi Genta Urashimana
* Yumi Kuroda hahmona Rinko Urashima
* Chikao Ohtsuka professorina Ginta Torokawa
* Toshiko Fujita Chiyo Torokawana
* Kenichi Ogata hahmona Hideo Mizuki
* Yuko Natori hahmona Akemi Mizuki
* Daisuke Gouri hahmona Takeshi Mizuki
* Tomoko Ikuta hahmona Akane Mizuki
* Naoko Watanabe hahmona Yuko Mizuki
* Masaya Onosaka Susumu Mizukina
* Kumiko Watanabe Yuka Mizukina
* Ai Orikasa hahmona Keiko Mizuki