Mary Catherine Garrison

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

Law & Order

The Good Wife

The White Lotus

Third Watch

30 Rock

Veep

9-1-1: Nashville

Flight of the Conchords

All Movies (12)

• The Baltimorons2025 · as Patty
• Assassins2024 · as Lynette "Squeaky" Fromme
• Let Them All Talk2020 · as Customer
• The Land of Steady Habits2018 · as Sandy
• Easy Living2017 · as Trish
• Begin Again2014 · as Jill
• The Caterpillar's Kimono2013 · as Marion
• Legend of the Holy Spear2010
• How to Deal2003 · as Ashley Martin
• Moonlight Mile2002 · as Caroline
• The Man Who Came to Dinner2000 · as June Stanley
• The Statement—

All TV Shows (11)

• 9-1-1: Nashville2025 · as Diana
• Somebody Somewhere2022 · as Tricia Miller
• The White Lotus2021 · as Sarah (voice)
• Veep2012 · as Sophie Brookheimer
• The Good Wife2009 · as Carol Demory
• Lipstick Jungle2008 · as Lily Mason
• Flight of the Conchords2007
• 30 Rock2006 · as Erin
• Third Watch1999 · as Mrs. Knowlins
• The Big Easy1996 · as Alana Fontaine
• Law & Order1990 · as Claire Jarrell