Issei Futamata

Asagaya Takao (voice)

Miyoko Aoba

Nakano Koenji (voice credited as Miyoko Kudo)

高田由美

Komaba Ikenoue (voice credited as Saki Iijima)

Hiroshi Kiyohara

Komaba's Stepbrother

Ochiai Bo

Dr. Toyama

Tatsuya Hara

Big Man/Dr. Toyama's Assistant

Yozo Uno

Hirota

Kazuko Okada

Female Student

Kazuko Masu

Female Student

Nakahata Kiyoko

Female Student

Dojiro