Isuzu Yamada

Natsu, the Foster Mother

Michiyo Kogure

Keiko, The Mother-in-Law

Michiyo Aratama

The Real Mother

Frankie Sakai

Seiji, the Farher

Tatsuya Nakadai

The Engineer

Makoto Niki

The Boy

Takeshi Sakamoto

Seitaro Nakahara, Seiji's father

Eiko Miyoshi

Kayo Nakahara, Seiji's mother

Yutaka Nakayama

Katayama

Haruya Katō

Sakata

Haruo Tanaka

Acting