

13/05/1977
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.

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)
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