Isuzu Yamada

Natsu, the Foster Mother

木暮実千代

Keiko, The Mother-in-Law

新珠三千代

The Real Mother

Frankie Sakai

Seiji, the Farher

Tatsuya Nakadai

The Engineer

Makoto Niki

The Boy

坂本武

Seitaro Nakahara, Seiji's father

三好栄子

Kayo Nakahara, Seiji's mother

中山豊

Katayama

加藤春哉

Sakata