Hiriluk (voice)
Gimlet
Professor Isaac Gilmore (voice)
Jim McCarthy (voice)
Entaro Hojo (voice)
Toshinori Iwakuni (voice)
Shu Yashima (voice)
Professor Shikishima
Takeda (voice)
Edo (voice)
Minister (voice)
Suijen (voice)
Joshin (voice)
Shinichi's father
Principal (voice)
Shūei (voice)
Captain Ahbe (voice)
Reporter A (voice)
Kipper (voice)
Kvar (voice)
Nerou Higurashi
Dr. Hiruluk (voice)
(voice)
Matsuda (voice)