Emma Caulfield (born April 8, 1973) is an American actress. She is best known for her starring role as former demon Anya Jenkins on the supernatural drama television series Buffy the Vampire Slayer (1998–2003), which earned her a nomination for the Satellite Award for Best Cast. She had recurring roles as Susan Keats on the Fox teen drama series Beverly Hills, 90210 (1995–1996), as Emma Bradshaw on the CW teen drama series Life Unexpected (2010–2011), and as Sarah Proctor on the Disney+ miniseries WandaVision (2021), a role she will reprise in its spin-off Agatha: Coven of Chaos (2024). She starred in the supernatural horror film Darkness Falls (2003) and in the romantic comedy film Timer (2009), and had a supporting role in the comedy film Back in the Day (2014).