Summer Days with Coo— Full Cast

Kazato Tomizawa

as Coo (voice)

Takahiro Yokokawa

as Kouichi Uehara (voice)

Naoki Tanaka

as Yasuo Uehara (voice)

Tamaki Matsumoto

as Hitomi Uehara (voice)

Ken'ichi Nagira

as Coo's Father (voice)

Nanako Hirata

as Koichi's Classmate (voice)

Kyousuke Ikeda

as Koichi's Classmate (voice)

Kazuki Matsuoka

as Koichi's Classmate (voice)

Souta Murakami

as Koichi's Classmate (voice)

Saki Yoshihara

as Koichi's Classmate (voice)

Kereo Yoshita

as Koichi's Classmate (voice)

Naomi Nishida

as Yukaki Uehara (voice)