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.
as Kenji Uozaki
as Yuriko Shinjô
as Dr. Sugimoto
as Dr. Fujimora
as Dr. Majima
as Military Officer Katsumoto
as Secretary of Defense
as Ichiro
as Captain of Uranami
as Yutaka Wada
as Village High Priest
as Military Officer Kusama
as Ken's Mom
as Issaku
as Horiguchi
as Jiro
as Sankichi
as Ken
as Fisherman
as Cameraman
as Fisherman
as Varan
as Varan
