"Fifty Shades of Grey" movie cast update: The latest rumor is that Michael Fassbender will play Christian Grey, while Ashley Greene as Ana Steele for the film set to be released in 2014.

Fassbender, the German-Irish actor whose notable roles include Magneto in "X-Men: First Class" and David in "Prometheus." Now, this 39-year-old might play the role of the young business magnate in the "Fifty Shades of Grey" movie cast rumor.

A movie based off a trilogy of books involved with a lot of kinky sex, now the sexy woman side of Ana Steele could possibly be played by Ashley Greene. The "Fifty Shades of Grey" cast could have someone from the "Twilight" sagas to this potential blockbuster film.

Greene played Alice Cullen in the films. Alice Cullen is the adopted daughter of Carlisle and Esme Cullen, adoptive sister of Edward and Emmett Cullen, as well as Rosalie Hale and the partner of Jasper Hale. Alice is petite and pixie-like, with a graceful gait and hair that is short, spiky, and black. Her power is that she can see the future. She is like a sister to Bella in the films.

The role of Grey is a 27-year-old sexy billionaire. Policy Mic said that Fassbender is "perfect" for the role. ET Online said that Fassbender has already played a domineering, wealthy man who falls in love with a subordinate, innocent young girl in "Jane Eyre."

As far as Steele goes, "[Greene] can certainly change her look from innocent and virginal to sexed-up and vampy. Maybe we should toss some silver balls her way?" E! Online said of Greene playing Ana.