SFX master Greg Nicotero as a walker for episode "The Suicide King". It's his time being zombified on the show. He is co-executive producer, special effects makeup artist, director and also actor on AMC's The Walking
How the Walking Dead comes alive - Zombies have no time to shave so Wasner adds some stubble and some disgusting dried blood around Galbraith’s mouth. “It’s black sludge in their veins,” says Nicotero.