In order to create a long-running series, “there has to be meat on the bone,” “ Vikings ” creator Michael Hirst said Sundance at Monte-Carlo Television Festival .  “It has to be a whole world, rich enough to satisfy the requirements of your imagination, as Henry James used to say. The subject needs to be about real things, things that matter, and when working with historical material, you have to be able to connect the past with the present in meaningful ways.”  SAG-AFTRA Members Approve Four-