Naohi Hirakawa
— Arashi Ikichi
Mamoru Tanaka
— Shigeru Furuhashi
樫原辰郎
— Researcher
Ranran Nakayama
— Akira Morohoshi
Hiroyoshi Tobisawa
— Hitori Kiriyama
Toshio Ishizaka
— Maki Fumihiro
Hideo Nakano
— Tetsuo Kaneshiro
Takashi Tokuzoji
— Yoshinori Izumi
Tokiwa Kanenari
— Dr. Ichigaya
Minami Ami
— Chris Hishimi / Ann