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.

• Kenji Ohba
• Wakiko Kano
• Kyoko Nashiro
• Sonny Chiba
• Tamie Kubota
• Masayuki Suzuki
• Toshiaki Nishizawa
• Miyuki Nagato