Dawn Lerner (Christine Woods) is an antagonist and a survivor of the outbreak in AMC's The Walking Dead. She is the leader of a group of police officers residing at Grady Memorial Hospital, who attempts to maintain peace in the brutalized and corrupt system she runs.
However, Dawn leadership flaws lead to compromises and trouble among the officers and the people she forcibly keeps inside the place. She served as one of the two primary antagonists of the first half of Season 5 (along with Gareth)