Mary McCormack is an American actress known for leading television roles including Justine Appleton on Murder One, Deputy National Security Adviser Kate Harper on The West Wing, and Mary Shannon on In Plain Sight. This tag collects news, interviews, articles, reviews and updates related to her career, covering casting announcements, television and film projects, critical reception and industry appearances. Readers will find coverage of her ongoing professional work, press interviews and notable career milestones, along with context on her prominent series roles and related media developments.
