Haha no nai ko to ko no nai haha to

Jūkichi Uno

Ichiro's dad

Tanie Kitabayashi

Aunt Otora

Masao Shimizu

Principal

Shinji Tanaka

Ichiro

Yasuhei Koseki

Shiro

Yumi Takano

Ichiro's mom

Bokuzen Hidari

Shiro's grandpa