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