- Country: USA
- Genres: Horror, Sci-Fi, Thriller
- Release: 1977-05-13
- Director: William Girdler
- Writers: William W. Norton , Eleanor E. Norton , Edward L. Montoro
- Language: English
- Stars: Christopher George , Leslie Nielsen , Lynda Day George , Richard Jaeckel , Michael Ansara , Ruth Roman , Jon Cedar , Paul Mantee , Walter Barnes , Andrew Stevens
- Runtime: 97 min
- Awards: N/A
- AKA: Az állatok napja (Hungary) , Something Is Out There (United States of America) , Dyrene hævner (Denmark) , アニマル大戦争 (Japan) , Day of the Animals , Un día de furia animal (Colombia) , Panik in der Sierra Nova , Dzień zwierząt (Poland) , Vilddjuren anfaller (Sweden) , День животных , Day of the Animals (United Kingdom) , Day of the Animals (United States of America) , Animais em Fúria (Brazil) , Un día de furia animal (Peru) , Tierterror in der Sierra Nova (Germany) , Day of the Animals (Philippines) , Petojen päivä (Finland) , Τα θηρία εκδικούνται (Greece) , La Revanche des animaux (France, French Republic) , El día de los animales (Spain) , Future animals (Italy) , Un día de furia animal (Mexico) , Ta thiria ekdikountai (Greece) , De jungle breekt los (Netherlands the)
- Plot: 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.
- IMDB:tt0075913
Day of the Animals Cast · · · ALL
William Girdler
Director
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
Michelle Stacy
Little Girl
Gil Lamb
Old Man in Bar
Walt Gorney
Sam