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.
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Photos
Films (24)

Above the Below
2026 · Brooks

Othello
2026 · Desdemona

Perdido en la montaña
2024 · Mrs. Ruth Fendler

Stillness
2023

Les Sept de Chicago
2020 · Agent Daphne O'Connor

L'Homme qui a tué Hitler et puis le Bigfoot
2019 · Maxine

Happy Birthday
2018 · Alison

This Is Your Death
2017 · Sylvia

Always Shine
2016 · Beth

Mercy
2016 · Melissa

Manhattan Romance
2015 · Theresa
Jim & Helen Forever
2015 · Tess

Adult Beginners
2014 · Kat

Mutual Friends
2014 · Liv

The Fitzgerald Family Christmas
2012 · Connie Fitzgerald
Like the Water
2012 · Charlie, Writer, Executive Producer

The Break-Up Tour
2012

Damsels in distress
2012 · Priss

Newlyweds
2011 · Katie

Dirty Movie
2011 · Bank Teller

Pas si simple
2009 · Lauren Adler

Hôtel Woodstock
2009 · Young Woman

Love Simple
2009 · Keith

The Visionary* - (*Tesla)
2005 · Katharine Johnson
Séries (13)

Nous les menteurs
2025 · Penny Sinclair

L'invention d'Anna
2022 · Mags

Estación Once
2021 · Elizabeth

Succession
2018 · Tabitha Hayes

Dulce amargura
2018 · Simone

RéelleMENT
2015 · Serena Wolcott

Masters of Sex
2013 · Libby Masters

Rectify
2013 · Chloe

New Girl
2011 · Diane

Sangre Azul
2010 · Benita

Gossip Girl : L'Élite de New York
2007 · Epperly Lawrence

Project Runway
2004 · Self - Guest Judge

New York Unité Spéciale
1999 · Anna Bleers









