Twilight is a 2008 American romantic fantasy film directed by Catherine Hardwicke from a screenplay by Melissa Rosenberg, based on the 2005 novel of the same name by Stephenie Meyer. It is the first installment in The Twilight Saga film series. The film stars Kristen Stewart and Robert Pattinson as Bella Swan, a teenage girl, and Edward Cullen, a vampire, and focuses on the development of Bella and Edward's relationship and the subsequent efforts of Edward and his family to keep Bella safe from another coven of vampires.