Shutter Island Movie Trailer I never thought I’d manage to hear the words “Martin Scorsese” and “slasher flick” in the same sentence, unless the phrase “will never do a” was involved. But then along came Shutter Island, due out this October, to change my mind completely. When a homicidal maniac escapes her new home in the Shutter Island mental institution, it’s up to two US Marshals, played by Marc Ruffalo and Leonardo DiCaprio, to hunt her down before she can strike again.