![Greystone Park Poster](https://image.tmdb.org/t/p/w500//31wAwKRqDxQgz3hCzATvbu1fwzP.jpg)
Greystone Park
39.00%
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September 6, 2012
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Horror, Thriller
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.
Featured Crew
Sean Stone
Writer
Sean Stone
Director
Alexander Wraith
Writer
Cast
![Oliver Stone](https://image.tmdb.org/t/p/w300//uHdNGBkrI74eYfUP2Uie7nuo0Nn.jpg)
Oliver Stone
Oliver
![Alexander Wraith](https://image.tmdb.org/t/p/w300//yZ4j5eEebjJkrowhUvAK7UEtsFq.jpg)
Alexander Wraith
Alex
![Pete Antico](https://image.tmdb.org/t/p/w300//eG7VI6yLvSfPxTGKsv3vRaNCCHl.jpg)
Pete Antico
Pete
![Monique van Vooren](https://image.tmdb.org/t/p/w300//ekGqTb0zxZGynSZD1eCoDhHm2SH.jpg)
Monique van Vooren
Monique
![Sean Stone](https://image.tmdb.org/t/p/w300//rGfjHtomnP15MLSNEsA2T601qK3.jpg)
Sean Stone
Sean