I just watched Knock, Knock last week actually after seeing quite a bit of chatter about it. Was not a fan. For me the film was just a long wait until you got to the good stuff. I found that the wait was fairly dull and that it then really didn't prove worth it. As far as Keanu goes? Well I really like Reeves, he's starred in a lot of films I've really liked and loved over the years (Matrix, Speed, Point Break, Bill and Ted, John Wick). However I wouldn't say he's got great range as an actor and sometimes you come across a performance that's a bit rough. And that's how I felt about his turn in Knock, Knock. I found it pretty cringeworthy at points.
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JayDee's Movie Musings (Reviews - Frailty / Total Recall / Lone Ranger / Nightcrawler / Whiplash / Imitation Game / Birdman / Avengers: Age of Ultron / Mad Max: Fury Road)