Christina Hendricks Christina Hendricks

Christina Hendricks, Olivia Munn and Seth Meyers have sign on to the Weinstein Co.'s adaptation of Allison Pearson's novel I Don't Know How She Does It.

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The trio will join Sarah Jessica Parker, Pierce Brosnan and Kelsey Grammer in the romantic comedy, which centers on a high-powered finance worker (Parker) who must balance work and her home life as a mother of two children.

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As first reported in the Los Angeles Times, Hendricks, who's best known for her role as Joan in AMC's Mad Men, will play Parker's pal, while Attack of the Show's co-host Munn will play a colleague. No word yet as to what Meyer's role will entail.

The film, which Doug McGrath is directing, is scheduled to start shooting in January.

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