Casting speculations and rumours continue for the film adaptation of "Fifty Shades of Grey." Surprisingly, after all this time, Universal Studios and Focus Features still haven't announced an official cast for the film. While fans are busy naming potential celebs to star in the film, here is a list of actors that shouldn't be cast as Christian Grey.

E.L. James best-selling erotica novel, "Fifty Shades of Grey" continues to be the talk-of-the-town. With a film set for a release on summer of 2014, fans are more excited than ever. Universal Studios and Focus Features are currently searching for a suitable director to produce the film which gives enough time for scriptwriter Kelly Marcel to complete the script for the film.

Almost half way through 2013 and still no cast has been broadcast leaving fans of "Fifty" to create countless lists naming potential celebrities to star in the movie. Over a hundred celebrities have been named as prospective stars for the lead roles of Anastasia Steele and Christian Grey.

As of late, fan favourites for the role of Anastasia Steele include Emilia Clarke, Alexis Bledel and Felicity Jones. On the other hand, favourites for the role of Christian Grey include Ian Somerhalder, Matt Bomer, Henry Cavill and Jessie Pavelka.

Apparently, a lot of fans are busy naming possible actors for the role of Grey that they haven't considered actors who shouldn't be starring in the film. Luckily, this list covers that part up. Check out the slideshow to see who among Hollywood celebrities shouldn't be cast as Christian Grey along with the reason why.