Insanitarium

Insanitarium is a 2008 psychological horror film starring Jesse Metcalfe, Kiele Sanchez, Kevin Sussman, Olivia Munn, Carla Gallo and Peter Stormare. The film is directed by Jeff Buhler.

The film was shot during AugustSeptember 2007 with the majority of filming taking place at the abandoned RFK Memorial Hospital in Hawthorne, California. The maximum security set and the laundry chute were both constructed from scratch on site in an empty wing of the hospital.Mathew Mungle Creations, the same special effects company that supplied the notorious effects for the Jeff Buhler written Midnight Meat Train, also supplied the special effects for Insanitarium. Nearly everything was done using practical effects and prosthetics with very little contribution from CGI, including the decapitation of a fake cat. ........

Source: Wikipedia