Mary Catherine Garrison

The talent

Mary Catherine Garrison

Acting

IMDB ↗

The work

The Baltimorons

The Baltimorons Patty

9-1-1: Nashville

2025

9-1-1: Nashville Diana

Somebody Somewhere

2022

Somebody Somewhere Tricia Miller

The White Lotus

2021

The White Lotus Sarah (voice)

Let Them All Talk

Let Them All Talk Customer

The Land of Steady Habits

The Land of Steady Habits Sandy

Easy Living

Easy Living Trish

Begin Again

Begin Again Jill

The Caterpillar's Kimono

The Caterpillar's Kimono Marion

Veep

2012

Veep Sophie Brookheimer

Legend of the Holy Spear

Legend of the Holy Spear

The Good Wife

2009

The Good Wife Carol Demory

Lipstick Jungle

2008

Lipstick Jungle Lily Mason

Flight of the Conchords

2007

Flight of the Conchords

30 Rock

2006

30 Rock Erin

Assassins

Assassins Lynette "Squeaky" Fromme

How to Deal

How to Deal Ashley Martin

Moonlight Mile

Moonlight Mile Caroline

The Man Who Came to Dinner

The Man Who Came to Dinner June Stanley

Third Watch

1999

Third Watch Mrs. Knowlins

The Big Easy

1996

The Big Easy Alana Fontaine

Law & Order

1990

Law & Order Claire Jarrell