Can little-known Dakota Johnson carry lead role 50 Shades?

BEFORE EL James’s erotic Fifty Shades of Grey became the fastest-selling book series of all time, it had already sparked a studio bidding war for the film rights.

So when James tweeted last Tuesday morning that the roles of the books’ main characters, 21-year-old bookish college student Anastasia Steele and 27-year-old millionaire Christian Grey, would be played by Dakota Johnson (daughter of Don Johnson and Melanie Griffith) and Charlie Hunnam from Sons of Anarchy, the news was met with a surprising amount of “so what?”.