
The depletion of the earth's ozone layer causes animals above the altitude of 5000 feet to run amok, which is very unfortunate for a group of hikers who get dropped off up there by helicopter just before the quarantine is announced.
Genres:

Christopher George as Steve Buckner

Leslie Nielsen as Paul Jenson

Lynda Day George as Terry Marsh

Richard Jaeckel as Prof. Taylor MacGregor

Michael Ansara as Daniel Santee

Ruth Roman as Mrs. Shirley Goodwyn

Jon Cedar as Frank Young

Paul Mantee as Roy Moore

Walter Barnes as Ranger Tucker

Andrew Stevens as Bob Denning

Susan Backlinie as Mandy Young

Kathleen Bracken as Beth Hughes

Bobby Porter as John Goodwyn

Michelle Stacy as Little Girl

Michael Andreas as Sheriff

Jan Andrew Scott as Helicopter Pilot

Gil Lamb as Old Man in Bar

Garrison True as TV Announcer

Gertrude Lee as Ranger's Wife

Walt Gorney as Sam (uncredited)
Made by edimario