“Emigrants” – THE WALKING DEAD: DEAD CITY, Pictured: Jimmi Simpson as Mason. “Emigrants” – THE WALKING DEAD: DEAD CITY, Pictured: Jimmi Simpson as Mason. “Emigrants” – THE WALKING DEAD: DEAD CITY, Pictured: Jeffrey Dean Morgan as Negan, Aimee Garcia as Renata. “Emigrants” – THE WALKING DEAD: DEAD CITY, Pictured: Raul Castillo as Luis. “Emigrants” – THE WALKING DEAD: DEAD CITY, Pictured: Lauren Cohan as Maggie, Logan Kim as Hershel, Raul Castillo as Luis.