Lauren Cohan played the part of Maggie Greene in The Walking Dead .
Lauren Cohan ( born January 7 , 1982 ) is an English-American actress and model , best known for her role as Maggie Rhee on the horror drama series The Walking Dead ( 2011–present ) .She is also known for her roles as Bela Talbot on the fantasy horror series Supernatural ( 2007–08 ) , Rose on the supernatural drama series The Vampire Diaries ( 2010–12 ) , and Vivian McArthur Volkoff on the action comedy series Chuck ( 2011 ) .
Lauren Cohan