Deirdre admits she doesn't have to audition as much as she used to after her role on The Closer in 2006.
Deirdre has blue eyes.
Deirdre has guest starred on three of the incarnations of Law and Order, all as different characters.
She has the nickname "DeDe".
In 2005, during hiatus from The Wire, Deirdre portrayed Lady Macbeth in the Old Globe's production of Macbeth in San Diego, CA.
Deirdre is one of only two female actresses to appear in the opening credits for the entire five season run of HBO's The Wire.
She has a brother named Charlie.
Deirdre got her television start doing commericals.
She graduated with a bachelor's degree in Fine Arts from the University of Evansville.
Deirdre is a 1987 graduate of the Tisch School of the Arts at New York University.