Caitlin FitzGerald (born August 25, 1983) is an American actress and filmmaker. She is best known for her roles as Libby Masters in the Showtime drama Masters of Sex (2013–2016) and Simone in Starz series Sweetbitter (2018–2019).

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🎬 Filmography

Screen catalogue →

We Were Liars

2025 · as Penny Sinclair

Sweetbitter

2018 · as Simone

The Show

2017 · as Sylvia

Masters of Sex

2013 · as Libby Masters

It's Complicated

2009 · as Lauren Adler

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