When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.
Kōzō Nomura
Kenji Uozaki
Ayumi Sonoda
Yuriko Shinjô
Koreya Senda
Dr. Sugimoto
Akihiko Hirata
Dr. Fujimora
Fuyuki Murakami
Dr. Majima
Yoshio Tsuchiya
Military Officer Katsumoto
Minosuke Yamada
Secretary of Defense
Hisaya Ito
Ichiro
