Allison Williams (b. 1988) is an American actress, comedian, and singer. She is best known for her role as Marnie Michaels on the HBO comedy-drama series Girls, the titular role in NBC's "Peter Pan Live", and her performance in the Jordan Peele film Get Out. She is the daughter of Brian Williams.

Williams appeared on Sesame Street in Episode 4929 as a sanitation worker.

She also recorded a Sesame Street Memories segment sharing how the characters on Sesame Street were like her family when she was a child. (YouTube)