And the cast just keeps getting bigger!
As The Hollywood Reporter first announced, British-born Canadian actor Callum Keith Rennie is the latest addition to the cast of the much-anticipated big screen adaptation of Fifty Shades of Grey!
Callum, who is best known for his portrayal of the Cylon Leoben Conoy in cult series Battlestar Galactica, will take on the role of Ray Steele, Ana's step father in the film.
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The naughty novel turned movie will star Dakota Johnson and Jamie Dornan as Anastasia Steele and Christian Grey; Callum will appear opposite Jennifer Ehle, who will play Ana's mother.
Last week, it was announced that singer Rita Ora and Academy Award winner Marcia Gay Harden joined the cast as Christian's sister Mia and mother Grace, respectively.
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In a revealing interview with Entertainment Weekly, Fifty Shades author E.L. James admitted that she was nervous about the huge expectations surrounding the film.
"I've been terrified from the moment I published the book." She admitted, when asked how she was feeling about the upcoming production. "You don't expect this kind of success. Even now it floors me. My only ambition for the books was to see them in bookstores. This is huge. And there is this passionate fandom; we need to get this right for them."
Production for the film began last week in Vancouver; Fifty Shades of Grey is slated to hit theaters Feb. 13, 2015.