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
