Instagram/Robin Williams & Cameron Movie Discover Robin Williams' unfulfilled role in Cameron West's memoir First Person Plural, a raw look at DID, returning in a new edition on May 26. May 7, 2026 AceShowbiz - One of the most significant roles that Robin Williams aspired to play but never got the chance to was tied to the memoir First Person Plural: My Life as a Multiple, written by Cameron West with his wife, Rikki West. A new edition of the book is set to be released on May 26, revisiting West's life with dissociative identity disorder (DID), formerly known as multiple personality disorder.