Professor Shiraki
Kumi Saijou
Dr. Shimomura
The Principal
Professor Yoshi
Yukiko Mitamura
Principal's Wife
Kyôko Hayashi
The Girl in Flashback
Takakura / Detective
Keiko Nonomiya, Student in Blue Negligee
Keiko Nonomiya
Shimazaki- Man in Hospital
Guard in the school
Station Employee
Hosoya - Acting Principal
Psychiatric Nurse
Detective Tsuchiya
Female Student B
Female Student A
Caucasian
Fight Double
Detective Takakura
Professor Shiraki (voice) (uncredited)
Dr. Shimomura / Principal (voice) (uncredited)