Sea Pirate Captain Harlock and the errant samurai, Tochiro arrive in the United States on the Western Frontier. Along with a mysterious woman they meet along the way, the two friends challenge sex rings, bandits, and a corrupt sheriff. They are searching for a lost clan of Japanese immigrants, and they will tear Gun Frontier from end to end until they find it.

• Chisa Yokoyama
• Kappei Yamaguchi
• Rica Matsumoto
• Kiyoyuki Yanada
• Eiji Takemoto