Mary Shannon

Played by Mary McCormack

Mary McCormack stars as Mary Shannon in the fourth season of the hit In Plain Sight.

One of today's boldest and most versatile actresses, McCormack continues to challenge herself with roles that often defy Hollywood standards and bring to light the complex lives of ordinary women. She has shown her immense talent working in film, television, and on stage, and has tackled roles ranging from slapstick comedy to intense drama.

McCormack's breakout performance, opposite Howard Stern in "Private Parts," won her universal critical acclaim. She followed that film with a highly successful run opposite Alan Cumming as Sally Bowles in the Sam Mendes and Rob Marshall-directed Broadway production of "Cabaret" for the Roundabout Theatre Company.

Some of McCormack's additional television and feature credits include the following: the Steven Soderbergh and George Clooney political series for HBO, "K-Street," the USA Network miniseries "Traffic," "Dickie Roberts: Former Child Star" opposite David Spade, "K-Pax" opposite Jeff Bridges and Kevin Spacey, "High Heels & Low Lifes" with Minnie Driver, "Mystery, Alaska" written by David E. Kelley and starring Russell Crowe, "Other Voices" with Stockard Channing and Campbell Scott, "The Broken Hearts Club" opposite John Mahoney and Timothy Olyphant, "The Big Tease" opposite Craig Ferguson, "Gun Shy" with Sandra Bullock and Liam Neeson, the Clint Eastwood film "True Crime," Mimi Leder's "Deep Impact," "The Alarmist" opposite Stanley Tucci and "Miracle on 34th Street."

Born in Plainfield, New Jersey, McCormack is a graduate of Trinity College and resides with her family in Los Angeles.