Julianne Moore is going mama grizzly!

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The Oscar-nominated actress, 50, has won the role of former Alaska Governor Sarah Palin in HBO's Game Change, according the Hollywood Reporter.

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The film, to be directed by Jay Roach, is based on Mark Halperin and John Heilemann’s book about the 2008 Presidential election.

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Politically Moore and Palin, 47,  are on seemingly opposite ends of the spectrum. The Boogie Nights star has actively campaigned for left-leaning causes such as reproductive rights and same-sex marriage, while the former VP candidate is known for her conservative positions.

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