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