In 1990, Fitzgerald met actor Noah Emmerich, who acted in The Truman Show, Beautiful Girls, and Miracle. Fitzgerald appears as an extra in The Truman Show and can be seen in the dance scene. The two were married on November 28, 1998; they divorced in 2003.
Fitzgerald is the founder of Voices in Harmony, a non-profit community theater in Los Angeles. From 1999 to 2005, she played Carol Fitzpatrick, assistant to C. J. Cregg, on The West Wing.
On January 19, 2007, Nicholas D. Kristof of The New York Times announced that Fitzgerald had won a writing contest he had sponsored on Darfur.
On May 17, 2008, Fitzgerald received the Chestnut Hill College Medal, where she was the commencement speaker.
In November 2013, Fitzgerald joined Justice For Vets as its Senior Director. The organization advocates for Veterans Treatment Courts.
