An earthquake releases a strain of mutant cockroaches with the ability to start fires, which proceed to cause destructive chaos in a small town. The studies carried out by scientist James Parmiter, however, reveal an intent with much more far-reaching consequences.
| Directing | Jeannot Szwarc | Director |
| Writing | Thomas Page | Screenplay |
| Production | William Castle | Producer |
| Camera | Michel Hugo | Director of Photography |
| Editing | Allan Jacobs | Editor |
| Sound | Charles Fox | Original Music Composer |
| Production | Ramsay King | Casting |
| Art | Jack Martin Smith | Art Direction |
| Art | Reg Allen | Set Decoration |
| Costume & Make-Up | Judith A. Cory | Hairstylist |
| Writing | Thomas Page | Novel |
| Writing | William Castle | Screenplay |
| Costume & Make-Up | Tom Miller | Makeup Artist |
| Crew | Phil Cory | Special Effects |
