X: The Unknown

A herpetologist investigating a series of fatal rattlesnake attacks discovers that the creatures have been infected by a mysterious nerve gas disposed of in the desert by the military.
Sam Chew Jr.Dr. Tom ParkinsonE Elisabeth ChauvetAnn BradleyD Dan PriestColonel StroudR Ronald GoldCaptain DelaneyA Al DunlapGeneral HinchD Dan BalentinePilot HawkinsG Gary Van OrmandWoodley
Darwin JostonPalmerT Tony BallenSheriff Gates
Celia MiliusWoman in BathtubS Scott McCartorRick (as Scott McCarter)E Eric LawsonGuardProduction information and reference links
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