Lauren Cohan (born January 7, 1982) is a British-American actress best known for her role as Maggie Greene in the AMC post-apocalyptic horror television series The Walking Dead (2011–2018; 2020–present). Her other notable TV roles include Bela Talbot in the dark fantasy drama Supernatural (2007–2008), Rose in the supernatural teen drama The Vampire Diaries (2010–2012), Vivian McArthur Volkoff in ...