<P> Rue began her acting career at the age of nine, appearing in the 1988 film Rocket Gibraltar as Kevin Spacey's daughter . Rue played a very young Roseanne in the first meeting of Roseanne and Dan at a dance on the TV show Roseanne . </P> <P> She starred in the comedy Grand, before going on to work on Phenom; Minor Adjustments; Zoe, Duncan, Jack & Jane; ER; The Division and Popular . From 2002 to 2006, she starred in the main role of Claude Casey on the ABC sitcom Less than Perfect . She has appeared in several films: A Map of the World, Can't Hardly Wait, A Slipping Down Life, Idiocracy, Gypsy 83 and had a small part as a babysitter in Gore Verbinski's adaptation of The Ring . She impressed director Michael Bay so much that a role was written into the movie Pearl Harbor for her . </P> <P> Rue appeared in the 2006 Mike Judge film Idiocracy, in the role of the Attorney General . In 2006, Rue starred in the stage musical Little Egypt with French Stewart, Jenny O'Hara and Gregg Henry at the Matrix Theatre in Los Angeles . She guest - starred in Two and a Half Men as Berta's pregnant youngest daughter . She had a stint on the CBS sitcom The Big Bang Theory, playing Leonard Hofstadter's physician girlfriend Dr Stephanie Barnett for three episodes . Her first appearance on the show occurred on November 17, 2008 . In 2009, Rue appeared in the movies Man Maid and For Christ's Sake . She starred on the short - lived 2009 series Eastwick, based on the novel and movie The Witches of Eastwick . </P> <P> In October 2010, Rue joined the cast of Rules of Engagement in a recurring role as Brenda, Jeff and Audrey's new surrogate . </P>

Who plays leonard's doctor girlfriend on big bang theory
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