Korra /Additional Voices
Janet Varney
Mako (voice)
David Faustino
Tenzin
J.K. Simmons
Lin Beifong
Mindy Sterling
Bolin
P.J. Byrne
Jinora
Kiernan Shipka
Bolin (voice)
P. J. Byrne
Naga /Oogi /Lemur /Additional Voices
Dee Bradley Baker
Asami Sato (voice)
Seychelle Gabriel
Amon
Steve Blum
Pema /Fan Girl
Maria Bamford
Ikki /Additional Voices
Darcy Rose Byrnes
Meelo
Logan Wells
Meelo (voice)
Logan Wells
Shiro Shinobi/Radio Broadcaster
Jeff Bennett
Lieutenant (voice)
Lance Henriksen
Aang
D.B. Sweeney
Protestor
Carlos Alazraqui
Saikhan (voice) / Two Toed Ping (voice)
Richard Epcar
General Iroh
Dante Basco
Young Korra
Cora Baker
Lau Gan-Lan
James Sie
Toph Beifong
Kate Higgins
Skoochy
Zach Callison
Referee (voice) / Referee / Additional Voices (voice)
Tom Kenny
Butakha/Lightning Bolt Zolt/Doorman
Kevin Michael Richardson
Sokka
Chris Hardwick
Hiroshi Sato (voice)
Daniel Dae Kim
Council Page
A.J. Gentile
Shady Shin
Fisher Stevens
Ring Announcer
Jason Harris
Young Noatak
Jacob Bertrand
Yakone
Clancy Brown
Iroh (voice)
Greg Baldwin
Tahno (voice)
Rami Malek
Noatak, age 14
Alexander Martella
White Lotus Leader/Hobo/Phonograph Vendor
Stephen Root
Toza
George Coe
Hasook
Sean Gantka
Young Tarrlok
Nicholas Braico
Equalists Announcer
Maurice LaMarche
Mako's Fan
Joaquim Dos Santos
Additional Voices
Clyde Kusatsu
Additional Voices
Alex McKenna
Additional Voices
Amy Hill
Additional Voices
Dave Thomas
Viper
Michael Yurchak
Katara
Eva Marie Saint
Kuvira (voice)
Zelda Williams
Equalist Guard
Michael Dante DiMartino
Equalist Guard
Bryan Konietzko
Kai (voice)
Skyler Brigmann