DVD Recommendation Split Starring James McAvoy Writer/director M. Night Shyamalan tackles Dissociative Identity Disorder in his latest thriller, Split , starring James McAvoy. Shyamalan captures some of his former magic with Split , which was a huge box office hit earlier this year. McAvoy portrays the title character, Kevin Wendell Crumb, who exhibits at least 23 personalities and is in the care of Dr. Karen Fletcher (Betty Buckley), a psychiatrist who has great empathy for Kevin because of his challenges with serious mental illness. The illness is allegedly the result of child abuse and the many personalities are Kevins way of dealing with his pain. Some of the personalities are more dominant that others, while one is kept at bay for reasons that will be revealed late in the film. In the opening scene, Kevin kidnaps three teenage girls who he believes have led charmed lives and have not suffered like he and so many others have. His plans are muddled because of his other personal...