The Quiet Ones is a 2014 British supernatural horror film directed by John Pogue, loosely based on the Philip experiment, a 1972 parapsychology experiment conducted in Toronto. It stars Jared Harris as a university professor attempting to prove poltergeists are manifestations of the human psyche and not supernatural beings. The film was released on 10 April 2014 in the United Kingdom and 25 April 2014 in the United States.