Frankie Sakai as Mokichi Tamura

Akira Takarada as Takano

Yuriko Hoshi as Saeko Tamura

Nobuko Otowa as Oyoshi Tamura

Yumi Shirakawa as Sanae

Chishū Ryū as Ebara

Jerry Itō as Watkins

Eijirō Tōno as Captain Umehara

Sō Yamamura as Prime Minister Masaki

Ken Uehara as Minister of Foreign Affairs

Seizaburō Kawazu as Director of the Mizutani Defense Agency

Nobuo Nakamura as Chief Cabinet Secretary Fujikawa

Chieko Nakakita as Oharu

Minoru Takada as Tokyo Defense Command Commander

Shigeki Ishida as Arimura

Naoko Sakabe as Suzue

Kōzō Nomura as Ishibashi

Masao Oda as Imoya's Old Man

Yutaka Sada as Reporter

Nadao Kirino as Tokyo Defense Command Officer

Kôji Uno as Tokyo Defense Command Officer

Toshihiko Furuta as Helicopter Crew Member

Kyoko Mori as Nursery Teacher

Teruko Mita as Izawa Nursery Teacher

Jiro Kumagaya as Minister of Health and Welfare

Sōji Ubukata as Minister of Education

Shirō Tsuchiya as Minister of Justice

Keiichirō Katsumoto as Neighbor

Naoya Kusakawa as Helicopter Crew Member

Wataru Ōmae as Kasagi Maru Correspondent

Yoshio Katsube as Reporter

Masaki Shinohara as Tokyo Defense Command Calculated Member

Yutaka Oka as Tokyo Defense Command Calculated Member

Kōji Uruki as Mailman

Yuki Shimizu as Female Clerk of Migame Shoji

Tazue Ichimanji as Neighbor

Toshiko Nakano as Neighbor

Ed Keane as Alliance Commander

Hank Brown as Federal Troop Lieutenant

Daniel Jones as Military

Hans Horneff as Allied Missile Base Commander

Harold Conway as Federal Missile Base Commander

Osman Yusuf as Alliance Correspondent

Robert Dunham as Allied Forces Personnel (uncredited)