Mary McCormack Expecting Third Child

Mary McCormack

Craig Barritt/WireImage

updated 04/20/2011 AT 5:30 PM ET

originally published 04/22/2011 AT 10:45 AM ET

Mary McCormack is adding to her troop.

The actress, who stars as a WITSEC Marshall in USA Networks’ In Plain Sight, is expecting her third child with producer Michael Morris, her rep confirms to PEOPLE exclusively.

McCormack’s pregnancy is being written into the show’s storyline. “The upside of being knocked up along with my character – no need for stunt boobs,” McCormack says.


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