Acting
Mary Catherine Garrison
Born 1973-12-19
Clarksdale, Mississippi, USA
Department: Acting
Biography
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.
Known For
Prominent works featuring Mary Catherine Garrison
TV
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Law & Order
1990
TMDB3.6
Movie
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Begin Again
2013
TMDB3.6
TV
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The White Lotus
2021
TMDB3.8
TV
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The Good Wife
2009
TMDB3.8
TV
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30 Rock
2006
TMDB3.8
TV
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Veep
2012
TMDB3.8
TV
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Third Watch
1999
TMDB4.0
TV
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Flight of the Conchords
2007
TMDB4.0
Movie
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Let Them All Talk
2020
TMDB2.8
TV
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9-1-1: Nashville
2025
TMDB4.1
Filmography & Credits
Complete career catalog (24 titles)
| Poster | Title | Character / Role | Type | Year |
|---|---|---|---|---|
 | A Statement | Self / Appearance | Movie | 2026 |
 | 9-1-1: Nashville | Diana | TV Series | 2025 |
 | The Baltimorons | Patty | Movie | 2025 |
 | Somebody Somewhere | Tricia Miller | TV Series | 2022 |
 | The White Lotus | Sarah (voice) | TV Series | 2021 |
 | Let Them All Talk | Customer | Movie | 2020 |
 | The Land of Steady Habits | Sandy | Movie | 2018 |
 | Easy Living | Trish | Movie | 2017 |
 | Begin Again | Jill | Movie | 2013 |
 | The Caterpillar's Kimono | Marion | Movie | 2013 |
 | Veep | Sophie Brookheimer | TV Series | 2012 |
| Legend of the Holy Spear | Self / Appearance | Movie | 2010 | |
 | The Good Wife | Carol Demory | TV Series | 2009 |
 | Lipstick Jungle | Lily Mason | TV Series | 2008 |
 | Flight of the Conchords | Self / Appearance | TV Series | 2007 |
 | 30 Rock | Erin | TV Series | 2006 |
 | Inconceivable | Marissa Jaffee | TV Series | 2005 |
 | Assassins | Lynette "Squeaky" Fromme | Movie | 2004 |
 | How to Deal | Ashley Martin | Movie | 2003 |
 | Moonlight Mile | Caroline | Movie | 2002 |
 | The Man Who Came to Dinner | June Stanley | Movie | 2000 |
 | Third Watch | Mrs. Knowlins | TV Series | 1999 |
 | The Big Easy | Alana Fontaine | TV Series | 1996 |
 | Law & Order | Claire Jarrell | TV Series | 1990 |