Janet Varney
Korra (voice) (52 eps)
David Faustino
Mako (voice) (52 eps)
P.J. Byrne
Bolin (voice) (52 eps)
Seychelle Gabriel
Asami Sato (voice) (52 eps)
J.K. Simmons
Tenzin (voice) (52 eps)
Maria Bamford
Pema (voice) (52 eps)
Kiernan Shipka
Jinora (voice) (52 eps)
Darcy Rose Byrnes
Ikki (voice) (52 eps)
Logan Wells
Meelo (voice) (52 eps)
Dee Bradley Baker
Naga / Pabu / Tarrlok (voice) (52 eps)
Mindy Sterling
Lin Beifong (voice) (52 eps)
Greg Baldwin
Iroh (voice) (52 eps)
Richard Epcar
Saikhan (voice) (27 eps)
Tom Kenny
Referee (voice) (27 eps)
Daniel Dae Kim
Hiroshi Sato (voice) (26 eps)
Jeff Bennett
Shiro Shinobi (voice) (26 eps)
Lance Henriksen
Lieutenant (voice) (15 eps)
Zelda Williams
Kuvira (voice) (11 eps)
Skyler Brigmann
Kai (voice) (8 eps)
Rami Malek
Tahno (voice) (3 eps)
Aubrey Plaza
Eska (3 eps)
D.B. Sweeney
Aang (voice) (2 eps)
Steve Blum
Amon (voice) (1 eps)
Carlos Alazraqui
Additional Voices (voice) (1 eps)
Dave Thomas
Additional Voices (voice) (1 eps)
Michael Yurchak
Additional Voices (voice) (1 eps)
Jason Harris
Ring Announcer (voice) (1 eps)