August in the Water

Rena Komine

Izumi Hazuki

Shinsuke Aoki

Mao Kuwashima

Reiko Matsuo

Miki

Masaaki Takarai

Ukiya

Naho Toda

Yo Hazuki

Hideyo Amamoto

Sakai

Masao Kusakari

Dolphin Instructor

Yuji Nakamura

Diving Coach

Kou Machida

Stone Tribe Emissary

Isamu Ōsuka

Professor Abe

Genjiro Arato

Biology Teacher

Tetsuji Mitoma

Old Fisherman