Separation is a 2021 American supernatural horror film directed by William Brent Bell, from a screenplay by Nick Amadeus and Josh Braun. It stars Rupert Friend, Mamie Gummer, Madeline Brewer, Violet McGraw, Simon Quarterman, and Brian Cox. The film follows a father who must take care of his daughter, after his wife, who filed for divorce, suddenly dies in an accident, as the two become haunted by a mysterious entity.