23 personalities, all of them bad. Review by Brandon Wolfe After finally bottoming out of the event-movie game with 2013’s After Earth , M. Night Shyamalan’s latest twist has been to reinvent himself as a craftsman of low-budget horror. This transformation began with 2015’s surprisingly successful psycho-grandparents yarn The Visit and continues with Split , a similarly grubby/schlocky multiple-personality thriller. This downgrade makes a much better fit for the man who made the low-key Sixth Sense and Unbreakable , but it doesn’t fix the unevenness that has long affected Shyamalan’s work. The Visit was frequently effective, but had significant tonal issues. Split is much less effective and its issues are even more pronounced. The film begins at a birthday party for Claire (Haley Lu Richardson), who has invited her entire art class from school, including, out of a sense of grudging inclusiveness, outsider Casey (Anya Taylor-Joy from The Witch ). When Casey is left without a r