In addition, she played the dean of a private school in an episode ("The Ida Funkhouser Roadside Memorial") of the HBO series Curb Your Enthusiasm.
In June 2010, it was announced Barlett would play Hannah Pitt in Signature Theatre Company's 20th-anniversary production of Tony Kushner's Angels in America.
In 2013, she portrayed Miranda Crump in American Horror Story's second season, Asylum, and later that year returned for the third season, Coven, portraying Cecily Pembroke.
She starred in the 2014 film H., for which she was nominated for the Independent Spirit Award for Best Supporting Female in 2016.
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