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In October 2009, the filmmakers went into an abandoned psychiatric hospital to explore the 'haunted' institution, famous for its radical treatment of patients with mental illness. Electroshock, insulin therapy, and lobotomies were commonplace. Once inside, the filmmakers quickly discovered that they were not alone.

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Greystone Park (2012) streaming availability varies by region. Check Netflix, Prime Video, Disney+, and other major platforms. It may also be available for digital rental or purchase on Amazon, Apple TV, or Vudu.
In October 2009, the filmmakers went into an abandoned psychiatric hospital to explore the 'haunted' institution, famous for its radical treatment of patients with mental illness. Electroshock, insulin therapy, and lobotomies were commonplace. Once inside, the filmmakers quickly...
Greystone Park (2012) was directed by Sean Stone. The film is a Horror, Thriller production with a runtime of 1h 22m, rated 3.8/10.
Greystone Park runs 1h 22m (82 minutes total). Audience rating: 3.8/10 from 28 votes. Genre: Horror, Thriller.
Greystone Park is rated 3.8/10 by 28 viewers — below average. A good pick for Horror and Thriller fans.