Nicola Peltz Beckham as Katara (as Nicola Peltz)
Jackson Rathbone as Sokka
Cliff Curtis as Fire Lord Ozai
Seychelle Gabriel as Princess Yue
Katharine Houghton as Katara's Grandma
Francis Guinan as Master Pakku
Damon Gupton as Monk Gyatso
John D'Alonzo as Zhao's Assistant
Keong Sim as Earthbending Father
Isaac Jin Solstein as Earthbending Boy
Edmund Ikeda as Old Man of Kyoshi Town
Morgan Spector as Lead Fire Nation Soldier
Karim Sioud as Fire Nation Prison Guard
Manu Narayan as Fire Nation Head Prison Guard
Kevin Yamada as Earth Kingdom Prisoner
Ted Oyama as Kyoshi Villager
Ritesh Rajan as Fire Nation Soldier
Georgie DeNoto as Teahouse Child (as George DeNoto)
Manuel Ishkhanian as Nervous Prison Guard (as Manuel Kanian)
Chris Brewster as Kicking Firebender (as Christopher Brewster)
Ryan Shams as Lead Archer
Jeffrey Zubernis as Water Tribe Soldier
Brian Johnson as Water Tribe Soldier
J.W. Cortes as Fire Lord Attendant
Alex Alessi as Northern Water Tribe Soldier
Mohammed J. Ali as Fire Nation Soldier
Mayank Amin as Fire Nation Soldier
Frank Apollonio as Water Tribe Soldier
Nabil Awad as Fire Nation Soldier
Alexander Baliev as Zuko's Henchman
Michael Baczor as Water Tribe Soldier
Raymond H. Blong as Fire Nation Soldier
Chris Bowyer as Northern Water Tribe Warrior
Daymien Bravo as Henchman
Jonathan Brunone as Fire Nation Soldier
Steven Carey as Fire Nation Warrior
Steven Carey as Northern Tribe Waterbender
J. Center as Northern Water Tribe Villager
Sammy Cesare as Fire Nation Soldier
Arnold Chon as Airbender Silhouette
George Coward as Fire Nation Soldier
Sean Crisden as Fire Nation Soldier
Tom Delconte as Northern Water Tribe Soldier
Donato DeMarinis as Fire Nation Soldier
Danny Donnelly as Northern Water Tribe Warrior
Christian Dorsey as Fire Nation Soldier
Bennett Dunn as Northern Water Tribe Warrior
Chris Dyer as Fire Nation Soldier
Robert Eckard as Fire Nation Warrior
Alex Efros as Water Tribe Member
Kristian Francis Falkenstein as Fire Nation Soldier
Dane Farwell as Fire Nation Soldier
Liam Ferguson as Fire Nation Warrior
Bobby Filer as Northern Water Tribe Soldier
Akira Fitton as Kyoshi Warrior
Jason Giello as Water Tribe Warrior
Jae Greene as Fire Nation Soldier
Michael Griffith as Northern Water Tribe Warrior
Kathryn Hertz as Water Tribe Warrior
Joshua David Hickey as Fire Nation Soldier
Sam Ibram as Fire Nation Officer
Sam Ibram as Fire Nation Warrior
Adam Zebediah Joseph as Fire Nation Soldier
Grace Julianna as Young Azula
Marqus Kane as Elite Body Guard of Commander Zhao
Marqus Kane as Fire Nation Captain
Cory Kastle as Water Tribe Soldier
Edward M. Kelahan as Water Tribe Warrior
Kirk Kelly as Water Tribe Soldier
Jona Kessler as Fire Nation Soldier
Ali Khan as Fire Nation Soldier
Patrick King as Water Tribe Soldier
David Kneeream as Northern Water Tribe Warrior
Shaunte Knight as General
Christopher Kolling as Fire Nation Soldier
Christopher Kolling as Northern Water Tribe Soldier
Michael William Kondyra as Water Tribe Warrior
Michael J. Kraycik as Northern Water Tribe Villager
Zackary Kresser as Fire Nation Soldier
Trevor La Torre as Fire Nation Soldier
Erica LaRose as Villager Girl
Robert Lenzi as Young Soldier
Loren W. Lepre as Fire Nation Warrior
Bob Lewandowski as Northern Water Tribe Warrior
Peter Liciaga as Fire Nation Warrior
Jerry Lobrow as Water Tribe Soldier
Roberto Lombardi as Fire Nation Soldier
Cosimo Mariano as Fire Bender
Brian M. Martin as Elite Fire Nation Warrior
Brian M. Martin as Northern Water Tribe Soldier
Matthew Owen McKenna as Water Tribe Bender
John Mitchell as Fire Nation Soldier
Doua Moua as Earthbender Guard
Jeffrey Mowery as Northern Water Tribe Villager
Ken Myers as Fire Nation Soldier
Matthew Nadu as Special Abilities Soldier
Eddie Noone as Fire Nation Soldier
Benjamin Norris as Fire Nation Soldier
Robert Nuzzie as Fire Soldier
Loukas Papas as Fire Nation General
Kal Parekh as Fire Nation Soldier
Kal Parekh as Ship Captain
Mihir Pathak as Fire Nation Soldier
Peter Patrikios as Lead Soldier
Patrick Phan as Elite Fire Nation Warrior
Joe Polito as Fire Nation Warrior
David L. Powell III as Water Tribe Man
Jon Douglas Rainey as Water Tribe Warrior
Gio Randazzo as Fire Nation Soldier
Jordan Romero as Fire Nation Soldier
Valentino Rudi as Fire Nation Soldier
Majed Sayess as Fire Nation Warrior
Rohan Shah as Young Prince Zuko
M. Night Shyamalan as Firebender at Earth Prison Camp
Philip J Silvera as Firebender at Earth Prison Camp
Samantha Speiss as Northern Water Tribe Child
London Summers as Northern Water Tribe Soldier
Joshua Tolby as Northern Water Tribe Villager
Jon Patrick Trosky as Fire Nation Warrior
Mike Tyler as Fire Nation General
Daymien Valentino as Earth Nation Henchman
Jackson Zachariah Vaughn as Airbending Student
Juan-Pablo Veizaga as Fire Nation Soldier
Matt von Siegel as Fire Nation Soldier
Matt von Siegel as Northern Water Tribe Warrior
Thomas Walton as Water Nation Warrior
Drew Wright as Fire Nation Soldier