Gordon Cormier as Avatar Aang
Kiawentiio as Katara
Ian Ousley as Sokka
Dallas Liu as Prince Zuko
Paul Sun-Hyung Lee as Uncle Iroh
Daniel Dae Kim as Fire Lord Ozai
Elizabeth Yu as Princess Azula
Ken Leung as Commander Zhao
Ruy Iskandar as Lieutenant Jee
Lim Kay Siu as Gyatso