Alison Brie Schermerhorn (born December 29, 1982) is an American actress, writer, and producer. She received recognition for her starring roles as Trudy Campbell in the drama series Mad Men (2007–2015), Annie Edison in the comedy series Community (2009–2015), Diane Nguyen in the animated comedy series BoJack Horseman (2014–2020), and as Ruth Wilder in the comedy-drama series GLOW (2017–2019), for which she received nominations for the Screen Actors Guild Award and the Golden Globe Award for Best Actress – Television Series Musical or Comedy.