Back in September, TVLine reported that Xander Berkeley had been cast in the second half of 'The Walking Dead' Season 6. TVLine has now confirmed that Berkeley will be playing Gregory, a character from Robert Kirkman's comic book series, is the leader of the Hilltop Colony, and is described as a "coward to the core" and a total nightmare for … Continue reading ‘The Walking Dead’ Season 6 – Xander Berkeley’s Role Revealed