Carol Dahlmann enlists the Hollister brothers to help locate her missing husband. The husband was tracking a fallen satellite through the jungle. While tracking him down, the trio discover an unusually strong acid killing animals and people.
| Actor | Role |
|---|---|
 Arthur FranzDave Hollister | Dave Hollister |
 Kathleen CrowleyCarol Dahlmann | Carol Dahlmann |
 Robert BrownMatt Hollister | Matt Hollister |
 Rodd RedwingWaumi | Waumi |
| KKaz OranTispe | Tispe |
| LLarry DuranBearer | Bearer |
 Bernie GozierWounded Indian | Wounded Indian |
 Roberto ContrerasVillage Indian | Village Indian |
 Vicente PadulaJulio | Julio |
| GGrace MathewsMexican Girl | Mexican Girl |
 Pilar Del ReyIndian Girl | Indian Girl |
| DDan GachmanHoward Dahlmann | Howard Dahlmann |