Directed by Roman Polanski, Rosemary's Baby (1968) stars Mia Farrow, John Cassavetes and Ruth Gordon. Based on the book by Ira Levin, the film follows Rosemary Woodhouse, a young woman who becomes increasingly suspicious of her husband and neighbours after becoming pregnant under mysterious circumstances. The story combines psychological horror with occult themes set against the backdrop of a New York apartment building.

Från IMDB:
A young couple trying for a baby moves into an aging, ornate apartment building on Central Park West, where they find themselves surrounded by peculiar neighbors.