Leonardo Dicaprio and Ben Kingsley in 'Shutter Island' (2010). More than a decade after the release of the 2010 psychological thriller Shutter Island, its ending remains a mystery to many. The Martin ...

More than a decade after the release of the 2010 psychological thriller Shutter Island, its ending remains a mystery to many. The Martin Scorsese-directed film stars Leonardo DiCaprio as a U.S.