Thanks to Entertainment Weekly we now know who will voice some of the new Book 2 characters. Aubrey Plaza will voice Eska Aaron Himelstein will voice Desna James Remar will voice Tonraq for Book 2 Lisa Edelstein will voice Kya Adrian LaTourelle will voice Unalaq John Michael Higgins will voice Varrick Richard Riehle will voice Bumi I personally have never heard of any of these actors, but many of the shows they have done before makes this a pretty all star cast for Book 2. Along with this we get 2 new Book 2 images

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Finally we get a few new pieces of info. Kya is "Sweet yet impatient" , Varrick claims to be a "Biz-Bender", Unalaq is confirmed to be the Chief of the Northern and Southern Water Tribe (When did that happen?) he also needs Korra's assistance.