
Shipwreck survivors found on the presumably uninhabited Infant Island leads to a scientific expedition that discovers a surviving native population along with the Shobijin, tiny twin fairy priestesses of the island's mythical deity called Mothra. After the fairies are kidnapped by an exploitative businessman named Clark Nelson, Mothra sets out to rescue them.

as Senichiro 'Sen-chan' Fukuda

as Dr. Shin'ichi Chûjô

as Michi Hanamura

as Clark Nelson

as Dr. Harada

as Shobijin (Twin Fairy)

as Shobijin (Twin Fairy)

as News Editor

as Shinji Chûjô

as Doctor

as Nelson's Henchman

as Dr. Roff

as General

as Military Advisor

as Rolisican Official

as Helicopter Pilot

as Ship Captain

as Ship Survivor

as Ship Survivor

as Dam Worker

as Nelson's Henchman

as Woodcutter

as Rest House Owner's Wife

as Nelson's Henchman

as Surveyor

as Shinji Chûjô

as Nelson's Henchman

as Surveyor

as Nelson's Henchman

as Radio Communicator

as Nelson's Rolisican Henchman

as Island Worshipper

as Police Officer

as Official

as Dam Worker

as Shipmate

as Island Dancer

as Police Officer

as Journalist

as Official

as Dam Watchman

as Ship Survivor

as Captain of Transport

as Island Dancer

as Police officer

as Announcer

as Nelson's henchman

as Surveyor

as Member of Task Force

as Mothra

as Mothra