Behind-the-scenes, it's all about the attention to detail that 'Vikings' so magical. On a recent TV panel that included creator Michael Hirst, and actors Katheryn Winnick, Jessalyn Gilsig, Clive Standon, George Blagden, Gustaf Skarsguard, Alyssa Sutherland and Donal Logue, shared how the cast braves stormy weather, long make-up rituals, a lack of trailers, and brutal film scenes to create the imaginative 'Vikings' world. "No complaining" here.