Marisa Tomei and Sarah Jessica Parker may join the indie comedy Married and Cheating.  Written and directed by Raymond De Felitta (City Island), the film is set in New York and Paris and "concerns three married couples struggling to find happiness."  Groundswell and Lauren Versel of Lucky Monkey Pictures are producing.  A spokesperson for Groundswell tells Variety that no deals are done because the project is still gathering financing.Parker is attached to the comedies I Don't Know How She Does It and the Valentine's Day pseudo-sequel New Year's Eve.  As for Tomei, she'll be constant presence in theaters throughout 2011.  On Friday she'll be seen in The Lincoln Lawyer, she co-stars in the upcoming comedies Salvation Boulevard and Crazy, Stupid, Love, and she's currently filming on George Clooney's political drama The Ides of March, which is due out October 14th.