Rosemary's Baby is a 1968 American horror film written and directed by Roman Polanski, based on the bestselling 1967 novel
Rosemary's Baby by Ira Levin. The cast includes Mia Farrow, John Cassavetes, Ruth Gordon, Maurice Evans, Sidney Blackmer and Charles Grodin.
Farrow plays a pregnant woman who fears that her husband may have made a pact with their eccentric neighbors, believing he may have promised them the child to be used as a human sacrifice in their occult rituals in exchange for success in his acting career.