Two members of Greenpeace discover that a local factory sheds radioactive waste into an active volcano, which has created a terrifying creature that wreaks havoc in the area.
| Actor | Role |
|---|---|
 Daniel BoschBob | Bob |
 Marina Giulia CavalliJane | Jane |
 Robert MariusLee | Lee |
 Luciano PigozziDr. Geoffrey | Dr. Geoffrey |
 Charles NapierColonel Kovacks | Colonel Kovacks |
 Roberto Dell'AcquaGuard (uncredited) | Guard (uncredited) |
| DDavid BrassHead Technician (uncredited) | Head Technician (uncredited) |
 Kenneth PeerlessChopper Pilot (uncredited) | Chopper Pilot (uncredited) |
| MMichael WelbornSecurity Officer (uncredited) | Security Officer (uncredited) |
| AAlbert BronskiSecurity Officer Carlos (uncredited) | Security Officer Carlos (uncredited) |
| DDonald WilsonTechnician (uncredited) | Technician (uncredited) |
| FFrank WannackGuard (uncredited) | Guard (uncredited) |
| CCurtis CarterBoat Crew (uncredited) | Boat Crew (uncredited) |
| JJeff GriffithSecurity Officer Griffith | Security Officer Griffith |
 Philip GordonSecurity Guard killed by Snake (uncredited) | Security Guard killed by Snake (uncredited) |