Mary Catherine Garrison
Known for
Mary Catherine Garrison is an American actress with an audience far beyond home who has spent years at the top of cast lists. Playing Jill in 'Begin Again' took the name well past her home market. 'Veep' sits alongside it on the filmography. It began in 2000, at the age of 27. By genre, comedy leads the list. Recognition of this size usually rests on a handful of titles, and this career is no exception.
Mary Catherine Garrison
10 Movies
11 Series
Mary Catherine Garrison is an American actress with an audience far beyond home who has spent years at the top of cast lists. Playing Jill in 'Begin Again' took the name well past her home market. 'Veep' sits alongside it on the filmography. It began in 2000, at the age of 27. By genre, comedy leads the list. Recognition of this size usually rests on a handful of titles, and this career is no exception.
Movies
Plays Jill
Begin Again
2014
Plays Customer
Let Them All Talk
2020
Plays Ashley Martin
How to Deal
2003
Plays Caroline
Moonlight Mile
2002
Plays Lynette "Squeaky" Fromme
Assassins
2004
Plays Sandy
The Land of Steady Habits
2018
Plays Patty
The Baltimorons
2025
Plays June Stanley
The Man Who Came to Dinner
2000
Plays Trish
Easy Living
2017
TV Shows
Plays Tricia Miller
Somebody Somewhere
2022
Plays Marissa Jaffee
Inconceivable
2005
Plays Sophie Brookheimer
Veep
2012
Plays Alana Fontaine
The Big Easy
1996
Plays Carol Demory
The Good Wife
2009
Plays Claire Jarrell
Law & Order
1990
Plays Erin
30 Rock
2006
Plays Lily Mason
Lipstick Jungle
2008
Plays Mrs. Knowlins
Third Watch
1999
Plays Sarah (voice)
The White Lotus
2021
Plays Diana
9-1-1: Nashville
2025
Latest Trailers
Watch Trailer
The Baltimorons
Full Filmography
9-1-1: Nashville
Diana · 1 episode
2026
TV
The White Lotus
Sarah (voice) · 1 episode
2025
TV
The Baltimorons
Patty
2025
Film
Somebody Somewhere
Tricia Miller · 21 episodes
2022–
TV
Let Them All Talk
Customer
2020
Film
Veep
Sophie Brookheimer · 7 episodes
2013–2019
TV
The Land of Steady Habits
Sandy
2018
Film
Easy Living
Trish
2017
Film
Begin Again
Jill
2014
Film
Photos
Frequently Asked Questions
How old is Mary Catherine Garrison and where are they from?
Mary Catherine Garrison is 52 years old, born on December 19, 1973 in Clarksdale, Mississippi, USA.
What are the most famous roles of Mary Catherine Garrison?
Mary Catherine Garrison is best known for roles in Begin Again, Let Them All Talk, Moonlight Mile.
How many movies has Mary Catherine Garrison been in?
Over a 26-year career (since 2000), Mary Catherine Garrison has appeared in 10 movies and 11 TV shows.
What was Mary Catherine Garrison's first movie?
The career of Mary Catherine Garrison began with The Man Who Came to Dinner (2000).
What is Mary Catherine Garrison's most recent movie or series?
Mary Catherine Garrison's most recent release is 9-1-1: Nashville, which premiered on October 9, 2025.
What TV shows has Mary Catherine Garrison appeared in?
On television, Mary Catherine Garrison has appeared in The White Lotus, 30 Rock, Law & Order, The Good Wife.
Mary Catherine Garrison
1973-12-19 · Clarksdale, Mississippi, USA
Mary Catherine Garrison is an American stage and screen actress. She has an BFA in Acting from University of Evansville and an MFA in Acting from University of California, San Diego.