starring Bradford Dillman Joanna Miles
After an earthquake strikes a small American town, a strange species of fire-raising bug emerges from a deep rift in the ground. Bradford Dillman stars as the obsessed scientist whose attempt to tamper with nature leads to even greater disaster.
Screenplay by William Castle and Thomas Page
Based on the novel The Hephaestus Plague by Thomas Page
Produced by William Castle Directed by Jeannot Szwarc