Mary McCormack has shown her immense talent working in film, television and onstage, and has tackled roles ranging from slapstick comedy to intense drama. Tony Award®-nominated for her role in Broadway's Boeing Boeing, opposite Mark Rylance, she is also widely known for her four seasons as a regular cast member of The West Wing (two SAG Award nominations), as the lead of USA's critically acclaimed In Plain Sight and for her role opposite Howard Stern in Private Parts.
McCormack's recent television work includes starring roles in the AMC series Loaded, the NBC comedy series Welcome to the Family, as well as arcs on such shows as HBO's The Newsroom, Scandal, Gus van Sant's award-winning miniseries When We Rise, House of Lies (Showtime) and the Will & Grace reboot (NBC). She will also appear in the new Hulu Blumhouse anthology series Treehouse.
McCormack returned to the Broadway stage in 2008 to star in Boeing-Boeing alongside Christine Baranski, Mark Rylance and Bradley Whitford. Marc Camoletti's classic '60s comedy won the Tony for Best Revival and earned her a 2008 Tony nomination for Best Performance by a Featured Actress in a Play.
McCormack's breakout performance opposite Howard Stern in Private Parts won her universal critical acclaim. In 2019, she will be seen in a cameo role in the Netflix feature Murder Mystery, starring Jennifer Aniston and Adam Sandler.
Born in Plainfield, New Jersey, McCormack is a graduate of Trinity College and resides with her family in Los Angeles.