Caitlin FitzGerald

Caitlin FitzGerald

Caitlin FitzGerald (born August 25, 1983) is an American actress and filmmaker. She is best known for her role as Libby Masters in the Showtime television drama Masters of Sex (2013–2016) and as the elusive Simone in Starz series Sweetbitter (2018–2019). She has appeared in Love Simple (2009), It's Complicated (2009), Gossip Girl (2011), Damsels in Distress (2011), Blue Bloods (2010), and Newlyweds (2011). In 2010, she starred in a production of Hedda Gabler. In 2010, she also played the role of Benita in "After Hours", the 10th episode of the 1st season of the CBS crime drama, Blue Bloods. In 2012, she starred in and co-wrote the screenplay for the independent film Like the Water. In 2013, she starred as Liv in the independent romantic comedy ensemble Mutual Friends. In 2013, she starred in the Showtime period drama Masters of Sex. In 2015, she appeared in the indie comedy Adult Beginners. In June 2017, she joined the cast of the film The Man Who Killed Hitler and Then the Bigfoot. She had a recurring role in the series Succession in 2018. Description above is from the Wikipedia article Caitlin Fitzgerald, licensed under CC-BY-SA, full list of contributors on Wikipedia.

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Known For

Filmography

2025

We Were Liars
We Were Liars
as Penny Sinclair
TV - Released: 6/18/2025

2024

Lost on a Mountain in Maine
Lost on a Mountain in Maine
as Mrs. Ruth Fendler
Movie - Released: 11/1/2024

2023

Stillness
Stillness
Movie - Released: 11/26/2023

2022

Inventing Anna
Inventing Anna
as Mags
TV - Released: 2/11/2022

2021

Station Eleven
Station Eleven
as Elizabeth
TV - Released: 12/16/2021

2020

The Trial of the Chicago 7
The Trial of the Chicago 7
as Agent Daphne O'Connor
Movie - Released: 9/25/2020

2019

The Man Who Killed Hitler and Then the Bigfoot
The Man Who Killed Hitler and Then the Bigfoot
as Maxine
Movie - Released: 2/8/2019

2018

All I Wish
All I Wish
as Alison
Movie - Released: 2/1/2018
Sweetbitter
Sweetbitter
as Simone
TV - Released: 5/6/2018
Succession
Succession
as Tabitha Hayes
TV - Released: 6/3/2018

2017

The Show
The Show
as Sylvia
Movie - Released: 9/21/2017

2016

Always Shine
Always Shine
as Beth
Movie - Released: 11/25/2016
Mercy
Mercy
as Melissa
Movie - Released: 6/4/2016

2015

Manhattan Romance
Manhattan Romance
as Theresa
Movie - Released: 10/2/2015
Movie
Jim & Helen Forever
as Tess
Movie - Released: 1/22/2015
UnREAL
UnREAL
as Serena Wolcott
TV - Released: 6/1/2015

2014

Mutual Friends
Mutual Friends
as Liv
Movie - Released: 4/15/2014
Adult Beginners
Adult Beginners
as Kat
Movie - Released: 9/8/2014

2013

Masters of Sex
Masters of Sex
as Libby Masters
TV - Released: 9/29/2013
Rectify
Rectify
as Chloe
TV - Released: 4/22/2013

2012

Damsels in Distress
Damsels in Distress
as Priss
Movie - Released: 4/6/2012
The Fitzgerald Family Christmas
The Fitzgerald Family Christmas
as Connie Fitzgerald
Movie - Released: 9/9/2012
Movie
Like the Water
as Charlie
Movie - Released: 7/14/2012
The Break-Up Tour
The Break-Up Tour
Movie - Released: 6/23/2012

2011

Newlyweds
Newlyweds
as Katie
Movie - Released: 12/26/2011
Dirty Movie
Dirty Movie
as Bank Teller
Movie - Released: 2/15/2011
New Girl
New Girl
as Diane
TV - Released: 9/20/2011

2010

Blue Bloods
Blue Bloods
as Benita
TV - Released: 9/24/2010

2009

It's Complicated
It's Complicated
as Lauren Adler
Movie - Released: 12/23/2009
Love Simple
Love Simple
as Keith
Movie - Released: 7/31/2009
Taking Woodstock
Taking Woodstock
as Young Woman
Movie - Released: 8/26/2009

2007

Gossip Girl
Gossip Girl
as Epperly Lawrence
TV - Released: 9/19/2007

2005

The Visionary* - (*Tesla)
The Visionary* - (*Tesla)
as Katharine Johnson
Movie - Released: 5/1/2005

2004

Project Runway
Project Runway
as Self - Guest Judge
TV - Released: 12/1/2004

1999

Law & Order: Special Victims Unit
Law & Order: Special Victims Unit
as Anna Bleers
TV - Released: 9/20/1999

Unknown

Movie
Above the Below
as Brooks
Movie