Caitlin FitzGerald
Biography
Caitlin FitzGerald (born August 25, 1983 in Camden, Maine, USA) is an American actress and filmmaker. She is recognized for portraying Libby Masters in the Showtime drama Masters of Sex from 2013 to 2016 and for the role of Simone in the Starz series Sweetbitter during 2018 and 2019. Her earlier screen work includes appearances in Love Simple (2009), It’s Complicated (2009), Gossip Girl (2011), Damsels in Distress (2011), Blue Bloods (2010) and Newlyweds (2011). In television, she played Benita in the “After Hours” episode, the tenth episode of Blue Bloods’ first season. On stage she starred in a 2010 production of Hedda Gabler. In 2012 she starred in and co‑wrote the independent film Like the Water.
Career overview
Caitlin FitzGerald, born August 25, 1983, in Camden, Maine, is an American actress and filmmaker. She entered screen work in 2009 with roles in the films Love Simple and It’s Complicated. The next year she added television appearances, including a guest spot on Gossip Girl and a part in the series Newlyweds. In 2010 she broadened her experience with a stage production of Hedda Gabler and a guest role as Benita in “After Hours,” the tenth episode of the first season of the CBS crime drama Blue Bloods.
FitzGerald’s career progressed through the early 2010s. She appeared in the 2011 film Damsels in Distress and returned to Blue Bloods for another television credit. In 2012 she both starred in and co‑wrote the screenplay for the independent film Like the Water, showing involvement behind the camera as well as in front of it. Her most prominent television work came with the Showtime drama Masters of Sex, where she portrayed Libby Masters from 2013 to 2016, and later as the elusive Simone in the Starz series Sweetbitter during its 2018–2019 run.
Across film, television, and stage, FitzGerald has built a varied portfolio that reflects a steady presence in American entertainment since her early roles in 2009.
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Career timeline
Full filmography
- Othello (2026) as Desdemona
- Above the Below (2026) as Brooks
- We Were Liars (2025) as Penny Sinclair
- Lost on a Mountain in Maine (2024) as Mrs. Ruth Fendler
- Stillness (2023)
- Inventing Anna (2022) as Mags
- Station Eleven (2021) as Elizabeth
- The Trial of the Chicago 7 (2020) as Agent Daphne O'Connor
- The Man Who Killed Hitler and Then the Bigfoot (2019) as Maxine
- Succession (2018) as Tabitha Hayes
- Sweetbitter (2018) as Simone
- All I Wish (2018) as Alison
- The Show (2017) as Sylvia
- Always Shine (2016) as Beth
- Mercy (2016) as Melissa
- UnREAL (2015) as Serena Wolcott
- Jim & Helen Forever (2015) as Tess
- Manhattan Romance (2015) as Theresa
- Adult Beginners (2014) as Kat
- Mutual Friends (2014) as Liv
- Masters of Sex (2013) as Libby Masters
- Rectify (2013) as Chloe
- Damsels in Distress (2012) as Priss
- The Fitzgerald Family Christmas (2012) as Connie Fitzgerald
- The Break-Up Tour (2012)
- Like the Water (2012) as Charlie
- Like the Water (2012) Writer
- Like the Water (2012) Executive Producer
- New Girl (2011) as Diane
- Dirty Movie (2011) as Bank Teller
- Newlyweds (2011) as Katie
- Blue Bloods (2010) as Benita
- It's Complicated (2009) as Lauren Adler
- Taking Woodstock (2009) as Young Woman
- Love Simple (2009) as Keith
- Gossip Girl (2007) as Epperly Lawrence
- The Visionary* - (*Tesla) (2005) as Katharine Johnson
- Project Runway (2004) as Self - Guest Judge
- Law & Order: Special Victims Unit (1999) as Anna Bleers