Amy Lauren Landecker (born September 30, 1969) is an American film, stage and television actress. She is known for her supporting roles in films Dan in Real Life (2007), A Serious Man (2009), All Is Bright (2013), Project Almanac (2015), Doctor Strange (2016), and Beatriz at Dinner (2017). In 2014, Landecker began starring as Sarah Pfefferman in the Amazon Studios critically acclaimed comedy-drama Transparent.
Landecker was born September 30, 1969 in Chicago, Illinois. She is the daughter of John Records Landecker, a Chicago radio personality. One of her maternal great-grandfathers was lawyer Joseph N. Welch.
Landecker earned her Screen Actors Guild card doing a voiceover for a Tampax commercial. In the commercial Landecker echoes the voice of the on-camera actress, saying only the word "ballet", but made $10,000 in residuals from the commercial. Landecker recalls, "I never saw money like that in my life, and it didn't even matter what I looked like! I was hooked on from then on!"