Invasion of the Neptune Men

Sonny Chiba

Tachibana - Scientist / Space Chief

Shinjirō Ehara

Ryuko Mizukami

Tanigawa Yoko

Mitsue Komiya

Seiichirō Kameishi

Shiro Okamoto

Rinichi Yamamoto

Kappei Matsumoto

Tanigawa Hiroshi

Takashi Kanda

Ken Sudo

Junji Masuda

Koji Sahara

Garrison Chief Mikami

Harold Conway

Washington Broadcast Station Chief

Yuji Kitamine

Tadashi Minamikawa

Kōji Sekiyama

Gōzō Sōma

Akikane Sawa

Masazumi Okabe

Shirō Ōki

Jo Moriya

Kosaku Okano

Kenji Todoroki

Kenji Miyako

Akira Katayama