Fifty Shades of Grey is a 2015 American erotic romantic drama film directed by Sam Taylor-Johnson with a screenplay by Kelly Marcel. The film is based on the 2011 novel of the same name by British author E. L. James. It stars Dakota Johnson as Anastasia Steele and Jamie Dornan as Christian Grey. Steele is a college graduate who begins a sadomasochistic relationship with young business magnate Grey.