
Mary McCormack
ActingAbout Mary McCormack
Mary Catherine McCormack is an American actress. 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. Marshal Mary Shannon on In Plain Sight (2008–2012), and as Peggy on the comedy series The Kids Are Alright (2018–2019).
Mary McCormack Movies & Career Overview
The filmography of Mary McCormack reflects a career marked by diverse experimentation. Across 42 major appearances, the actor has built a reputation through performances in multiple genres and storytelling styles.
Dominant Genre
A large portion of Mary McCormack's work falls within the Comedy genre, where audiences tend to respond most strongly to their on-screen presence.
Success Ratio
Approximately 26% of Mary McCormack's films maintain ratings above 6.5, indicating a consistent level of audience approval.
One of the most highly rated entries in their career remains An American Girl Story: Maryellen 1955 - Extraordinary Christmas, which stands out as a key performance.
Best Mary McCormack Movies Ranked
Must-watch hits from Mary McCormack's career based on audience ratings.
Full Filmography
Every movie Mary McCormack has appeared in, with audience ratings and verdicts.
Mary McCormack - Frequently Asked Questions
What is the best movie of Mary McCormack?
According to audience ratings, the best movie starring Mary McCormack is "An American Girl Story: Maryellen 1955 - Extraordinary Christmas" with a rating of 7.8/10.
How many movies has Mary McCormack acted in?
Mary McCormack has been featured in at least 42 major films throughout their career.
What are some other popular movies by Mary McCormack?
Other notable films include "Getting to Know You", "Scooby-Doo! WrestleMania Mystery", and "K-PAX".




