Much-anticipated "The Walking Dead" spin-off miniseries finds Lauren Cohan and Jeffrey Dean Morgan returning to their respective iconic roles as Maggie Greene Rhee and Negan Smith, having to put their bitter enmity aside as they perilously venture into a walker-infested Manhattan in search of her kidnapped son Hershel (Logan Kim). Željko Ivanek, Gaius Charles, Jonathan Higginbotham, Mahina Napoleon, Trey Santiago-Hudson, Michael Anthony, Karina Ortiz also star.