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 the action comedy Chuck (2011), and Francesca "Frankie" Trowbridge in the action comedy-drama Whiskey...