Science Fiction / Horror / Thriller /

Score: 52.1%( 71 votes )

Overview: 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.

Cast:

Christopher George
Steve Buckner

Leslie Nielsen
Paul Jenson

Lynda Day George
Terry Marsh

Richard Jaeckel
Prof. Taylor MacGregor

Michael Ansara
Daniel Santee

Ruth Roman
Mrs. Shirley Goodwyn

Jon Cedar
Frank Young

Paul Mantee
Roy Moore

Walter Barnes
Ranger Tucker

Andrew Stevens
Bob Denning

Susan Backlinie
Mandy Young

Kathleen Bracken
Beth Hughes

Bobby Porter
John Goodwyn

Michelle Stacy
Little Girl

Michael Andreas
Sheriff

Jan Andrew Scott
Helicopter Pilot

Gil Lamb
Old Man in Bar

Garrison True
TV Announcer

Gertrude Lee
Ranger's Wife

Walt Gorney
Sam (uncredited)