[Aubrey] Plaza (Parks and Recreation) will play Eska, who is one of Korra’s Waterbending cousins, and whose twin brother, Desna, will be voiced by Joan of Arcadia‘s Aaron Himelstein. [James] Remar (Dexter) will assume the role of Tonraq, the powerful Waterbender who is Korra’s father (and is pictured below), while [Lisa] Edelstein (House) will play Kya, Tenzin’s sweet-yet-impatient sister.
In addition, John Michael Higgins (Best in Show) has been cast as Varrick, an eccentric capitalist and self-proclaimed “Biz-Bender,” while Adrian LaTourelle (Sons of Anarchy) will tackle the role of Unalaq, Korra’s uncle and Chief of the Northern and Southern Water Tribes, who seeks assistance from Korra.
Legend of Korra
Book 2 has added a huge number of voice actors to the show: