Sara Rue as Stephanie Barnett – Now:
Sara hasn't appeared on "The Big Bang Theory" since she and Leonard broke up in 2008, but she has been working consistently on television ever since. She spent three years playing Brenda on "Rules of Engagement" between 2010 and 2013, followed by a run on "Mom" as Candace. From 2015 to 2017, Sara played Karen Delfs on "Bones," which wrapped recently. Next year, she will appear in several episodes of the Netflix show, "A Series of Unfortunate Events" as the Librarian.
