All Cast
Issei Futamata
Asagaya Takao (voice)
Miyoko Aoba
Nakano Koenji (voice credited as Miyoko Kudo)
Yumi Takada
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