丘ナオミ

Naomi Ichikawa

日野繭子

Yuriko

Mariko Kitazawa

Mari Kitami (the prison guard)

下元史朗

Shiro (Kenji's older brother)

Rie Nakano

Tamaki (No. 29)

Kyoko Ota

Kiyo (No. 25)

Shinko Sakaguchi

Old woman (No. 20)

Akane Chisato

Akane (No. 32)