Frankie Sakai
Senichiro 'Sen-chan' Fukuda
Hiroshi Koizumi
Dr. Shin'ichi Chûjô
Kyōko Kagawa
Michi Hanamura
Jerry Itō
Clark Nelson
Ken Uehara
Dr. Harada
Emi Ito
Shobijin (Twin Fairy)
Yumi Ito
Shobijin (Twin Fairy)
Takashi Shimura
News Editor
Akihiro Tayama
Shinji Chûjô
Akihiko Hirata
Doctor
Tetsu Nakamura
Nelson's Henchman
Obel Wyatt
Dr. Roff
Seizaburō Kawazu
General
Yoshibumi Tajima
Military Advisor
Robert Dunham
Rolisican Official
Kenji Sahara
Helicopter Pilot
Yoshio Kosugi
Ship Captain
Ren Yamamoto
Ship Survivor
Haruya Katō
Ship Survivor
Shōichi Hirose
Dam Worker
Hiroshi Takagi
Nelson's Henchman
Yasuhisa Tsutsumi
Woodcutter
Teruko Mita
Rest House Owner's Wife
Kōji Iwamoto
Nelson's Henchman
Mitsuo Tsuda
Surveyor
Masamitsu Tayama
Shinji Chûjô
Toshio Miura
Nelson's Henchman
Tadashi Okabe
Surveyor
Akira Wakamatsu
Nelson's Henchman
Yutaka Nakayama
Radio Communicator
Osman Yusuf
Nelson's Rolisican Henchman
Akira Yamada
Island Worshipper
Kôji Uno
Police Officer
Wataru Ōmae
Official
Toshihiko Furuta
Dam Worker
Keisuke Matsuyama
Shipmate
Takeo Nagashima
Island Dancer
Mitsuo Matsumoto
Police Officer
Hideo Shibuya
Journalist
Kazuo Hinata
Official
Shigeo Katō
Dam Watchman
Rinsaku Ogata
Ship Survivor
Yutaka Oka
Captain of Transport
Kô Hayami
Island Dancer
Hiroyuki Satake
Police officer
Kazuo Imai
Announcer
Hiroshi Akitsu
Nelson's henchman
Akio Kusama
Surveyor
Gorô Sakurai
Member of Task Force
Haruo Nakajima
Mothra
Katsumi Tezuka
Mothra