Pero is back in Go Go Town, a fearful place in the Wild West that desperately awaits for a sheriff to come. In this town of no law and order, Pero and a boy named Jimmy try to help Annie, daughter of a saloon owner who has just been killed.
| Actor | Role |
|---|---|
 Yasushi SuzukiPero (voice) | Pero (voice) |
| KKiyoshi KomiyamaJimmy (voice) | Jimmy (voice) |
 Kurumi KobatoAnnie (voice) | Annie (voice) |
 Hidekatsu ShibataBoss (voice) | Boss (voice) |
 Kazue TakahashiJane (voice) | Jane (voice) |
| SShoji AokiMayor (voice) | Mayor (voice) |
| SShun YashiroKiller Cat A (voice) | Killer Cat A (voice) |
 Isamu TanonakaKiller Cat B (voice) | Killer Cat B (voice) |
| AAdo MizumoriKiller Cat C (voice) | Killer Cat C (voice) |