Heather Laurie Holden is an American-Canadian actress, producer, model, and human rights activist. She is known for her roles as Marita Covarrubias in The X-Files, Adele Stanton in The Majestic, Cybil Bennett in Silent Hill, Amanda Dumfries in The Mist, Olivia Murray in The Shield, Andrea in The Walking Dead and Renee in The Americans.