Two brothers who have had their minds transferred into robots battle an alien race bent on conquering Earth.
Takeshi Sasaki
Ground-Zel
Michio Hazama
Narrator
Mitsuko Horie
Etsuko Shirakawa
Shôzaburô Date
Colonel Marui
Satoshi Furukawa
Kenji Hayama
Setsuo Wakui
Gonbesu