Hannah Christian braves the queues, crowds and horrors of the UK’s leading Zombie-fest: Walker Stalker con at Kensington Olympia. Panellists include world famous celebrities from The Walking Dead, Bates Motel, The Girl With All the Gifts and more: Andrew Lincoln, Scott Wilson, David Morrissey, Katelyn Nacon, Greg Nicotero, Caitlyn Vanbeck, M.R. Carey, Michael Traynor, Khary Payton, Tom Payne, Xander Berkeley, Jeffrey Dean Morgan, Austin Amelio & Steven Ogg.