Allison Williams is an American actress, singer, and producer. She is best known for her role as Marnie Michaels in the HBO series Girls (2012–2017), which earned her widespread recognition. Williams gained further prominence for her leading performance in Jordan Peele’s critically acclaimed horror film Get Out (2017). She later starred in and executive produced the horror films The Perfection (2018) and M3GAN (2022), the latter becoming a commercial success and expanding her work as a producer.