Multiple Personality: Reality and Illusion is a 1999 documentary film that explores Dissociative identity disorder, formally known as Multiple Personality Disorder. The fact based docu-drama delves into the lives of four women with Multiple Personality Disorder, including the life of Chris Costner-Sizemore, who was portrayed in the book and film The Three Faces of Eve and thought to be the first women diagnosed with MPD. The program was co-written by noted psychiatrist Colin A. Ross and producer James Myer.