Alison Brie Schermerhorn (born December 29, 1982) is an American actress, writer, and producer. She earned recognition for playing Trudy Campbell in the drama series Mad Men (2007–2015), and had her breakthrough starring as Annie Edison in the sitcom Community (2009–2015). She then voiced Diane Nguyen in the animated comedy series BoJack Horseman (2014–2020) and potrayed Ruth Wilder in the comedy drama series GLOW (2017–2019), receiving nominations at the Golden Globe and Screen Actors Guild Awards for the latter.