Mary Stuart Masterson Is Pregnant
05/07/2009 AT 02:10 PM EDT
"They are really thrilled about the news," says rep Simon Halls.
The actress, 42, is due in October. The couple, who costarred in Cat on a Hot Tin Roof in 2004, got married in 2006.
"I'm very happily married now," Masterson told PEOPLE in March, "and life is great."
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