Released:
1977-05-13

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.

Director:
William Girdler

Runtime:
1h 37min

Genre:
Science Fiction, Horror, Thriller

• Cast:
• 
  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