Sarah Paulson and Elle Fanning have signed on for a new adaptation of I Am Sybil, Flora Rheta Schreiber’s best-selling 1973 nonfiction novel. The project will center around one of the first mainstream cases of dissociative identity disorder.
The movie will be directed by Mirrah Foulkes from a script she co-wrote with Jen Silverman. The movie will explore the true story of Shirley Mason a.k.a Sybil who was examined by psychologist Connie Wilbur. During those therapy sessions, she allegedly manifested sixteen personalities.
It was originally developed as a TV movie in 1976.