The cast of "Fifty Shades Of Grey" is now complete. Eloise Mumford has been cast as Kate Kavanagh in the movie adaptation of E.L. James' bestselling book.

The actress has appeared in the film "So Undercover" and the TV series "Lonestar."

Mumford will play the best friend of sexy student Anastasia Steele (Dakota Johnson) in the highly anticipated film.

Director Sam Taylor-Johnson cast Jamie Dornan as Christan Grey, Luke Grimes as Christian's brother, Elliot; Victor Rasuk as Anastasia's close friend, Jose; and Jennifer Ehle as her mother, Carla.