She attended Southern Methodist University (SMU) in Dallas, Texas, where she was a member of Kappa Kappa Gamma.
She is best known for her portrayal of Julia Walker on the American Broadcasting Company television drama Brothers & Sisters from 2006 to 2009. They have a son, Emmett Andrew Brower (born January 24, 2010). Morris moved to Los Angeles after college to pursue an acting career and immediately found work on such network television series as Boston Public, Undeclared and Education
She had a recurring role as Zoe Webb on Felicity from 2001-2002.
She later appeared in short-lived drama series Windfall and co-starred in films such as Look and Seven Pounds. In 2006, Morris was cast as Julia Walker, wife of Tommy Walker (played by Balthazar Getty) in the American Broadcasting Company drama series Brothers & Sisters.
She was regular on the show for the first three seasons and left along with Getty in 2009. In 2011 she was cast as Special Agent Erica Jane Barrett on Columbia Broadcasting System" NCIS. She also guest-starred in American Broadcasting Company dramas Castle in 2012, and Body of Proof in 2013.
In 2013, Morris was cast in A&East drama pilot Occult.