M. Night Shyamalan's newest film "Knock at the Cabin" puts an apocalyptic spin on the home invasion thriller. The story follows a family having a peaceful vacation in the woods when a mysterious group of strangers suddenly accosts them. Unlike the usually sadistic monsters of other home invasion films, though, these four intruders seem reluctant and even mournful about having to tie up their targets. Despite their relative politeness, though, Rupert Grint brings a sense of malice to the one named Redmond, who seems a lot more aggressive and violence-prone than his mild-mannered comrades. Perhaps that's because Grint was channeling a real experience he had with a home invasion.

The actor who is most famous for playing Ron Weasley in the "Harry Potter" films has begun a burgeoning relationship with Hollywood's twistiest director. Grint is part of the main cast of Shyamalan's television series "Servant" on Apple TV+, in...