Yōsuke Natsuki
Detective Shindo
Yuriko Hoshi
Naoko Shindo
Hiroshi Koizumi
Professor Murai
Takashi Shimura
Dr. Tsukamoto
Emi Ito
Shobijin
Yumi Ito
Akiko Wakabayashi
Princess Maas Doulina Salno of Selgina
Hisaya Ito
Chief Assassin Malmess
Akihiko Hirata
Chief Detective Okita
Minoru Takada
Prime Minister
Someshō Matsumoto
Alien Expert
Ikio Sawamura
Honest Fisherman
Kōzō Nomura
Geologist
Kenji Sahara
Editor in Chief Kanamaki
