Naomi Oka

Naomi Ichikawa

日野繭子

Yuriko

Mariko Kitazawa

Mari Kitami (the prison guard)

Shirō Shimomoto

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)

外波山文明

Priest

Hajime Isogai

Dr. Isogai