A space shuttle crashes containing a lethal prototype organism designed to survive in any environment. The only people who can stop the creature are the Secretary of Defense agent and the female scientist who created it.

Patrick Muldoon
as Mike Connors

Theresa Russell
as Dr. Nancy Burnham

Curtis Armstrong
as Keach

Tamara Davies
as Sid Bream

Lydie Denier
as Diane Cafferty

John Beck
as Simpkins

Joe Avalon
as Sgt. Tulley

Daniel Quinn
as Alan Stanton

James Cromwell
as MP 1

Joe Sabatino
as MP 2