While fans continue to wrap their heads around the Christian Grey casting of Charlie Hunnam in the Fifty Shades of Grey movie, facial features expert Jean Haner recently revealed why she feels the English actor isn't right for the role.

Haner spoke to Cosmo and was very adamant about pointing out the differences between author E.L. James' character description of Grey compared to Hunnam's.

"The patterns of his facial features show that this guy doesn't have a kinky bone in his body, so it doesn't make him believable in the role. If the author wanted to choose someone more suitable for this part, shoe would have picked a guy with sharp cheekbones and hollowness to his cheeks - both features of someone who likes to be in control," she said.

Haner also elaborated some more on the physical attributes that Hunnam possesses that supposedly indicate that he isn't too fond of kinky sex.

"He'd also have a strong brow bone and deep-set eyes, which are signs of someone who likes to be domineering, and a widow's peak, which usually means the person has natural sex appeal and charisma, and tends to enjoy kinky sex," she added.

Fifty Shades screenwriter Kelly Marcel stated that she'd be adhering to James' book content of with lots of sex and raunchiness. The highly anticipated film is scheduled to hit theaters on Thursday, Aug. 1, 2014. 

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