Take a look at some actors who found themselves playing other Hollywood stars who came before them.
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Millennium Films
And "Big Love" and "Mamma Mia!" star Amanda Seyfried took on the role of "Deep Throat" star Linda Lovelace in the biopic "Lovelace," planned for a release sometime in 2013. The movie also stars James Franco as Hugh Hefner and Sarah Jessica Parker as Gloria Steinem.