Shutter Island, which hits theaters on Friday, is set on the perpetually creepy grounds of a mental institution, where stars Leonardo DiCaprio and Mark Ruffalo become trapped. Hollywood has long found drama inside the walls of asylums and mental hospitals — particularly with the denizens found inside. Some amazing performances come of playing a patient, so check out my roundup of some of the most memorable characters who ever checked in.
Loony Tunes: 5 Memorable Mental Patients
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