Ai Orikasa
— Mom (voice)
Shotaro Okubo
— Kacchan (voice)
加門良
— Dad (voice)
亀井三郎
— Kato (voice)
Satomi Kōrogi
— Keiko (voice)
宮本聖也
— Ichiro (voice)
さとうあい
— Narrator (voice)
佐藤智恵
— Old Lady (voice)
小関一
— Old Man (voice)
江川央生
— Townsperson (voice)
Issei Futamata
— Kappa (voice)
Masako Katsuki
— Ichiro's Mom (voice)
田口昻
— Police Officer (voice)