Heather Laurie Holden (born December 17, 1969) is a Canadian-American actress, producer, and human rights activist, known for her roles as Marita Covarrubias in The X-Files (1996–2002), Adele Stanton in The Majestic (2001), Cybil Bennett in Silent Hill (2006), Amanda Dumfries in The Mist (2007), Olivia Murray in The Shield (2008), Andrea in The Walking Dead (2010–2013, 2020), Renee in The Americans (2017–2018), and the Crimson Countess in Vought News Network: Seven on 7 with Cameron Coleman (2021) and The Boys (2022).