Earth is invaded by the criminal organization known as Makuu, led by Don Horror, who had first destroyed a space colony near Earth. Don Horror wants to dominate the whole universe, and the Earth represents an obstacle that he has to overcome by turning it into a domain for all evil. In response to Makuu's attack, Space Sheriff Gavan of the Galaxy Federal Police is deployed to Earth to defend his mother's home world.
as Retsu Ichijôji / Space Sheriff Gavan
as Mimi
as Marin
as Space Sheriff Voicer
as Tamiko Ichijouji
as Kojiro Oyama
as Commander Qom
as Horror Girl
as Horror Girl (voice)
as Narrator
