Janet Varney Korra Voice David Faustino Mako Voice P.J. Byrne Bolin Voice J.K. Simmons Tenzin Voice Seychelle Gabriel Asami Sato Voice Jeff Bennett Shiro Shinobi, Radio Broadcaster Voice Dee Bradley Baker Naga, Pabu, Oogi Voice Aaron Himelstein Desna Guest Voice Aubrey Plaza Eska Guest Voice James Remar Tonraq Guest Voice Richard Riehle Bumi Guest Voice Kiernan Shipka Jinora Voice Gary Cole Dai Li Sergeant, Rich Man Guest Voice Bruce Davison Lord Zuko Guest Voice Greg Cipes Tu, Cousin Guest Voice Carlos Alazraqui Chow, Train Guard, Earth Kingdom Guard, Uncle Guest Voice Skyler Brigmann Kai Guest Voice Susan Silo Yin Guest Voice Kristy Wu P'Li Guest Voice Jayne Taini Queen Hou-Ting, Aunt Guest Voice Pat Fraley Gombo Guest Voice Mitchell Whitfield Gun, Conductor, Waiter Guest Voice Ian Graham Director Tim Hedrick Writer