Invasion of the Body Snatchers is a 1978 science fiction film

Science fiction film

Science fiction film is a film genre that uses science fiction: speculative, science-based depictions of phenomena that are not necessarily accepted by mainstream science, such as extraterrestrial life forms, alien worlds, extrasensory perception, and time travel, often along with futuristic...

 based on the novel The Body Snatchers

The Body Snatchers

The Body Snatchers is a 1955 science fiction novel by Jack Finney, originally serialized in Colliers Magazine in 1954, which describes the fictional town of Santa Mira, California being invaded by seeds that have drifted to Earth from space...

 by Jack Finney

Jack Finney

Jack Finney was an American author. His best-known works are science fiction and thrillers, including The Body Snatchers and Time and Again. The former was the basis for the 1956 movie Invasion of the Body Snatchers and its remakes.-Biography:Finney was born in Milwaukee, Wisconsin and given the...

. It is a remake of the 1956 film of the same name. It was directed by Philip Kaufman

Philip Kaufman

Philip Kaufman is an American film director and screenwriter. His movies have adapted novels of widely different types – from Milan Kundera’s The Unbearable Lightness of Being to Michael Crichton’s Rising Sun; from Tom Wolfe’s heroic epic The Right Stuff to the erotic writings of Anaïs Nin’s...

 and starred Donald Sutherland

Donald Sutherland

Donald McNichol Sutherland, OC is a Canadian actor with a film career spanning nearly 50 years. Some of Sutherland's more notable movie roles included offbeat warriors in such war movies as The Dirty Dozen, , MASH , and Kelly's Heroes , as well as in such popular films as Klute, Invasion of the...

, Brooke Adams and Leonard Nimoy

Leonard Nimoy

Leonard Simon Nimoy is an American actor, film director, poet, musician and photographer. Nimoy's most famous role is that of Spock in the original Star Trek series , multiple films, television and video game sequels....

.

A San Francisco health inspector and his girlfriend discover that human beings are being substituted by aliens. The duplicates, who appear to be perfect copies of the persons replaced, but are devoid of any human emotion, attempt to install a tightly organised, conformist society.
The film opens out in deep space, where a race of gelatinous creatures abandon their dying world.