Mary Catherine Garrison
Where to watch Mary Catherine Garrison in United States. On screen since 1990. Licensed apps only — 23 titles we track below.
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.
Where to watch their titles
Begin Again
Jill · 2014
The White Lotus
Sarah (voice) · 2021
30 Rock
Erin · 2006
Law & Order
Claire Jarrell · 1990
The Good Wife
Carol Demory · 2009
Veep
Sophie Brookheimer · 2012
Flight of the Conchords
2007
Let Them All Talk
Customer · 2020
Moonlight Mile
Caroline · 2002
Third Watch
Mrs. Knowlins · 1999
The Land of Steady Habits
Sandy · 2018
How to Deal
Ashley Martin · 2003
9-1-1: Nashville
Diana · 2025
Somebody Somewhere
Tricia Miller · 2022
The Baltimorons
Patty · 2025
Lipstick Jungle
Lily Mason · 2008
Easy Living
Trish · 2017
The Man Who Came to Dinner
June Stanley · 2000
The Big Easy
Alana Fontaine · 1996
Inconceivable
Marissa Jaffee · 2005
The Caterpillar's Kimono
Marion · 2013
Assassins
Lynette "Squeaky" Fromme · 2004
A Statement
2026