Prázdniny s vodníčkem Kúem

Kazato Tomizawa

Coo (voice)

Takahiro Yokokawa

Kouichi Uehara (voice)

Naoki Tanaka

Yasuo Uehara (voice)

Tamaki Macumoto

Hitomi Uehara (voice)

Ken’iči Nagira

Coo's Father (voice)

Nanako Hirata

Koichi's Classmate (voice)

Kjósuke Ikeda

Koichi's Classmate (voice)

Kazuki Matsuoka

Koichi's Classmate (voice)

Souta Murakami

Koichi's Classmate (voice)

Saki Yoshihara

Koichi's Classmate (voice)

Kereo Yoshita

Koichi's Classmate (voice)

Naomi Nišida

Yukaki Uehara (voice)