The Midwest USA is invaded by stingray-shaped alien slugs that ride on people's backs and control their minds in order to spread their dominion. Government agency reps Sam Givens, Andrew Nivens, and Mary Sefton must stop the aliens.

Donald Sutherland
as Andrew Nivens

Eric Thal
as Sam Nivens

Julie Warner
as Mary Sefton

Keith David
as Alex Holland

Will Patton
as Dr. Lawrence Graves

Richard Belzer
as Neil Jarvis

Tom Mason
as President Douglas

Yaphet Kotto
as Ressler

Gerry Bamman
as Viscott

Sam Anderson
as Culbertson
CinemaSerf
Donald Sutherland has done some dross in his time, but usually only as a guest star. Here he commits himself to the whole thing and I wonder if now, he regrets it. The mind-numbingly daft plot involves alien creatures that resemble flounders with a proboscis, that ride around on the backs of people,...