Kenji Sahara
Joji Atsumi
Yumi Shirakawa
Etsuko Shiraishi
Akihiko Hirata
Ryoichi Shiraishi
Momoko Kôchi
Hiroko Iwamoto
Yoshio Tsuchiya
Leader of the Mysterians
Takashi Shimura
Dr. Tanjiro Adachi
Yoshio Kosugi
Cmdr. Sugimoto
Susumu Fujita
Gen. Morita
Fuyuki Murakami
Dr. Nobu Kawanami
Yutaka Sada
Police Capt. Miyamoto
Hisaya Ito
Army Capt. Seki
Tetsu Nakamura
Dr. Koda
Sōji Ubukata
Dr. Noda
George Furness
Dr. Svenson
Harold Conway
Dr. De Gracia
Heihachirō Ōkawa
Person at Board Meeting
Ren Imaizumi
Adachi's Assistant Hayami
Rikkie Sanjô
Etsuko's mother
Tadao Nakamaru
1st. Lt. Yamamoto
Hideo Saeki
Gen. Emoto
Takuzō Kumagai
Colonel Ito
Akio Kusama
Police Station Chief Togawa
Shin Ōtomo
Policeman Kawada
Rinsaku Ogata
Policeman Ogata
Takeo Oikawa
Announcer on TV
Mitsuo Tsuda
Person at Defense Meeting
Kamayuki Tsubono
Defense Meeting Attendee
Senkichi Ōmura
Doomed Villager
Haruya Katō
Doomed Villager
Yasuhiro Shigenobu
Doomed villager
Shōichi Hirose
Detective in Etsuko's house
Eisuke Nakanishi
Detective in Etsuko's house
Keiichirō Katsumoto
Detective
Jirô Mitsuaki
Detective
Ryûtarô Amami
Policeman
Saburô Kadowaki
Policeman
Masayoshi Kawabe
Policeman
Mitsuo Matsumoto
Newspaper Reporter
Hideo Unagami
Mysterian
Katsumi Tezuka
Mysterian
Haruo Nakajima
Giant Robot
Ikio Sawamura
Sachio Sakai
Gen Shimizu
Yasuhisa Tsutsumi
Jun Tazaki
Hideo Shibuya
Yoshibumi Tajima