Shigeru Kido
Naotaro Takeda
Masujirô Takagi
Naotaro's father
Sueko Ito
Naotaro's mother
Mineko Tsuji
Okinu
Kentaro Kawamata
Junichi Okamoto
Shiro Kato
Junichi's father
Shizue Matsumoto
Junichi's mother
Michiko Tachibana
Taro Maesaka
Hiromichi Kawata
Elementary school principal
Ichirō Shibayama
School inspector
Yutaka Mimasu
American scholar
Fusako Hoshi
