"Invasion of the Body Snatchers" - 1956

A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.

Invasion of the Body Snatchers is a 1956 American independent science-fiction horror film produced by Walter Wanger, directed by Don Siegel, and starring Kevin McCarthy and Dana Wynter. The black-and-white film was shot in 2.00:1 Superscope and in the film noir style. Daniel Mainwaring adapted the screenplay from Jack Finney's 1954 science-fiction novel The Body Snatchers