McCormack starred in the USA Network series In Plain Sight. She portrayed Mary Shannon, a deputy United States marshal attached to the Albuquerque, New Mexico, office of the Federal …

Mary McCormack began her acting career performing in a stage production of Gian Carlo Menotti 's Christmas opera, "Amahl and the Night Visitors." "I was twelve but looked like an eight-year …

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Oct 25, 2025 · The actress is the sister of the lawyer, judge, and professor, Bridget Mary McCormack, who served as the Michigan Supreme Court’s Chief Justice from 2019 to 2022 …

Dec 16, 2025 · Clearly, the talented actress enjoyed showing off her tough side and benefitted from the In Plain Sight role. Yet, before the success of this part, McCormack was going …

Explore the complete filmography of Mary McCormack on Rotten Tomatoes! Discover every movie and TV show they have been credited in.

112K Followers, 1,229 Following, 757 Posts - Mary McCormack (@marycmccormack) on Instagram: "Actor. And other things."

She has had leading roles as Justine Appleton on the series Murder One (1995–1997), as Deputy National Security Adviser Kate Harper on The West Wing (2004–2006), as Deputy U.S. …

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Mary Catherine McCormack, born on February 8, 1969, is an American actress. She is best known for her television roles as Deputy National Security Advisor Kate Harper in "The West …