Nicola Peltz Beckham
Katara
Aasif Mandvi
Commander Zhao
Cliff Curtis
Fire Lord Ozai
Seychelle Gabriel
Princess Yue
Katharine Houghton
Katara's Grandma
Francis Guinan
Master Pakku
Randall Duk Kim
Old Man in Temple
John D'Alonzo
Zhao's Assistant
Keong Sim
Earthbending Father
Isaac Jin Solstein
Earthbending Boy
Edmund Ikeda
Old Man of Kyoshi Town
John Noble
The Dragon Spirit (voice)
Morgan Spector
Lead Fire Nation Soldier
Karim Sioud
Fire Nation Prison Guard
Manu Narayan
Fire Nation Head Prison Guard
Kevin Yamada
Earth Kingdom Prisoner
Ritesh Rajan
Fire Nation Soldier
Georgie DeNoto
Teahouse Child
Manuel Ishkhanian
Nervous Prison Guard
Roberto Lombardi
Fire Nation Soldier
Chris Brewster
Kicking Firebender
Jeffrey Zubernis
Water Tribe Soldier
Brian D. Johnson
Water Tribe Soldier
J.W. Cortes
Fire Lord Attendant
M. Night Shyamalan
Firebender at Earth Prison Camp (uncredited)
Ben Cooke
Avatar Roku (uncredited)
Jeffrey Mowery
Northern Water Tribe Villager (uncredited)
