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.

• William Castle Productions
• Bradford Dillman
• Joanna Miles
• Richard Gilliland
• Jamie Smith-Jackson
• Alan Fudge
• Jesse Vint
• James Greene
• Patty McCormack