We know Rooney Mara isn't as scary as Lisbeth Salander in The Girl With the Dragon Tattoo.
Even so, Channing Tatum admits he was more than a little nervous when they played husband and wife in the upcoming drama, The Bitter Pill.
More:Channing Tatum Channing Tatum Rooney Mara The Bitter Pill The Girl With The Dragon Tattoo Rooney Mara
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