Season 1

Takahiro Mizushima

満潮 永澄 / Nagasumi Michishio (voice)

Haruko Momoi

瀬戸 燦 / Sun Seto (voice)

Ayumi Tsunematsu

サーたん / Saturn (voice)

Atsushi Imaruoka

永澄の父 / Nagasumi's father (voice)

Takehito Koyasu

シャーク藤代 / Shark Fujishiro (voice)

Noriko Rikimaru

伊院千代 / Class President (voice)

Masahito Yabe

猿飛 秀吉 / Hideyoshi Sarutobi (voice)

Noriko Namiki

永澄の母 / Nagasumi's mother (voice)

Tomoko Kaneda

猿飛 悟 / Satori Sarutobi (voice)

Natsuko Kuwatani

巻 / Maki (voice)

Tessyo Genda

ルナパパ / Lunar's Papa (voice)

Kenta Miyake

瀬戸 豪三郎 / Gozaburo Seto (voice)

Daisuke Ono

三河 海 / Kai Mikawa (voice)

Eri Kitamura

不知火 明乃 明星 / Akeno Shiranui (voice)

Masahito Yabe

オクトパス中島 / Octopus Nakajima (voice)

Katsuki Murase

政 / Masa (voice)

Sakura Nogawa

江戸前 留奈 / Lunar Edomae (voice)

Makiko Nabei

瀬戸 蓮 / Ren Seto (voice)

Rika Morinaga

銭形 巡 / Mawari Zenigata (voice)

Eriko Matsushima

永澄の祖母 / Nagasumi's grandmother (voice)