- Joe Alaskey (Broadsword Man, The Dealer)
- Carlos Alazraqui (Due, Tho)
- Jamie Alcroft
- Jack Angel (Pirate Captain)
- Robin Atkin Downes (Circus Master)
- Rene Auberjonois (Gan Jin Leader, The Mechanist)
- Dee Bradley Baker (Appa, Chong, Miyuki, Momo, Tom Tom)
- Greg Baldwin (Iroh)
- Dante Basco (Zuko)
- Derek Basco (Moku)
- William H Basset (Hue)
- Greg Berg
- Lucille Bliss (Yugoda)
- Bill Bolender (Ghashiun)
- Johanna Braddy (Yue)
- Victor Brandt (Pakku)
- Melendy Britt (Gran Gran)
- Clancy Brown (Long Feng)
- Robby Bruce (Lee)
- Julianne Buescher
- Paul Butcher
- Chris Butler (Fat)
- Andrew Caldwell
- Jody Carlisle (The Herbalist)
- Gabrielle Carteris
- George Cheung (Pao)
- Tsai Chin (Wu)
- Cam Clark (Lao)
- Melinda Clarke (Macmu-Ling)
- Daniel Dae Kim (Fong)
- Grey Delisle (Azula, Ta Min)
- Eric Todd Dellums (Koh, the Face Stealer)
- Hayley Delong
- Barry Dennen (Sung)
- Jack DeSena (Sokka)
- John Dimaggio
- Ben Diskin
- Marc Donato (Longshot)
- Michael Dow (Haru)
- Wayne Duvall (Poon)
- Walker Edmiston (Azulon)
- Paul Eiding (Dock, Governor)
- Zack Tyler Eisen (Aang)
- Susan Eisenberg (Sela)
- Hector Elizondo (Knowledge Spirit)
- Takayo Fisher (Li, Lo)
- Jessie Flower (Meng, Toph)
- Quinton Flynn (Mugger)
- Mick Foley (Boulder)
- Roberta Forkas (Zhang Leader)
- Kurt Fuller (Quon)
- Nika Futterman (Smellerbee)
- James Garrett (Roku)
- John Garry
- Brian George (Guru)
- Barbara Goodson
- Marc Grave (Xin Fu)
- Kim Mai Guest (Song, Ying)
- Nicholas Guest
- Olivia Hack (Ty Lee)
- Mike Hagiwara
- Jennifer Hale (Jun, the Bounty Hunter, Kyoshi)
- Mark Hamill (Ozai)
- Daniel Hansen
- Jillian Henry (Koko)
- Amy Hill
- Mitch Holleman (The Duke)
- James Hong (Tong)
- Jason Isaacs (Zhao)
- Robert Ito (Sun Warrior Chief)
- Nick Jameson (Shinu)
- David Jeremiah
- Peter Jessop (Fung)
- S. Mark Jordan
- Tinasha Kachingwe (On Ji)
- Tom Kane
- John Kassir (Chey)
- Jen Kohn (Ursa)
- Clyde Kusatsu
- Jennie Kwan (Suki)
- Phil Lamarr (Earth King)
- Lex Lang
- Cricket Leigh (Mai)
- Marcella Lentz-Pop (Jin)
- Stu Levin (Ding)
- Bruce Locke
- Madeline Lovejoy
- Noah Luke (Shoji)
- Tress MacNeille (Hama)
- Iwamatsu Mako (Iroh)
- Sean Marquette
- Karen Maruyama (Bureaucrat)
- Scott McAfee
- Michael McConnihie
- Richard McGonagle (Bato)
- Steve McGowan
- Paul McKinney (Sha-Mo)
- Byron McKittrick (Foaming Mouth Guy, Pirate Barker)
- Scott Menville (Gan Jin Scout)
- Jim Meskimen (How, Jee)
- Jason Miller
- Cameron Monaghan
- Andy Morris (Kenji)
- Scott Mosenson
- Lizzie Murray
- Mitchell Musso (Aang)
- Paul Nakauchi
- Lorraine Newman (Lily)
- Kevin Ng (Bumi)
- Daran Norris
- Brian O'Neil (Gansu)
- Ben Oisken (Hahn)
- Robert Patrick (Piandao)
- Ron Perlman
- Robert Pine
- Jon Polito (Arnook)
- Phil Proctor (Fire Nation School Music Teacher)
- Kevin Michael Richardson (Flopsie, Tyro)
- Daniel Riordan (Mung)
- Ezekial Rollins (Chit Sang)
- Andrea Romano
- Julianna Rose
- Roger Rose (Bully Guard at Boiling Rock Prison)
- Elijah Runcorn (Zuko)
- Jeane Sakata (Kwan)
- Daniel Samonas (Teo)
- Raphael Sbarge (Zei)
- Will Shadley (Little Village Boy)
- Sab Shimono (Gyatso, Yu)
- James Sie (Oyaji, The Cabbage Merchant)
- Susan Silo
- Andre Sogliuzzo (Bumi, Hakoda)
- Leonard Stone (Canyon Guide)
- Craig Strong
- Tara Strong (Governor's Wife)
- Gary Sturgis (Gow)
- Keith Szarabajka
- Kristoffer Tabori (Qin)
- George Takei (The Warden)
- Fred Tatasciore (Yung)
- James Arnold Taylor
- Ross Thomas (Ruon-Jian )
- Malachi Throne (Mongke)
- Zach Throne
- Brian Tochi (Ham Ghao, Than)
- Lauren Tom (Joo Dee (I))
- Matthew Underwood (Hide)
- Erik Von Detten (Chan)
- Clement Von Frankenstein
- Jim Ward (Fire Nation School Headmaster)
- Andre Ware
- Wil Weaton
- Alicia Weyer
- Mae Whitman (Katara, Lu Ten)
- Serena Williams (Ming)
- Wade Williams (Warden of Boiling Rock Prison)
- Crawford Wilson (Jet)
- Dave Wittenberg
- Adam Wylie
- Michael Yama (Shyu)
- Keone Young (Jeong Jeong)
- Sterling Young (Pipsqueak)
- Luke Zampas