2010 16 2h 18m US Movies. Marshals to an insane asylum. Shutter Island Ending Explained What S The True Definition Of Insanity Marshals troubling visions compromise his investigation into the disappearance of a patient from a hospital for the criminally insane. . He described the novel as a hybrid of the works of the Brontë sisters and the 1956 film Invasion of the Body Snatchers. They are going to the island because a woman patient named Rachel escaped the day before. Marshal investigating the masterful escape of a murderess from a fortress-like. Marshals Teddy Daniels Leonardo DiCaprio and Chuck Aule Mark Ruffalo are on a ferryboat in foggy Boston Harbour headed towards Shutter Island an island containing a federal mental hospital for the criminally insane. Director Martin Scorsese Writers Laeta Kalogridis screenplay Dennis Lehane novel Stars Leonardo DiCaprio Emily Mortimer Mark Ruffalo See production box office company