| Joe Alaskey | Broadswords Man, "The Swamp" |
| Carlos Alazraqui | Due + Tho + Additional Voice, "The Swamp" |
| Jamie Alcroft | Additional Voice, "The Blue Spirit" |
| Jack Angel | Earth Kingdom Pirate Captain Additional Voice, "The Waterbending Scroll" Additional Voice, "The Waterbending Master" |
| Rene Auberjonois | Gan Jin Leader + Additional Voice, "The Great Divide" The Mechanist + Additional Voice, "The Northern Air Temple" |
| | |
| Dee Bradley Baker | Appa Momo Miyuki Chong, "The Cave of Two Lovers" Tom Tom, "Return to Omashu" Additional Voice - All Episodes to Date |
| Greg Baldwin | Additional Voice, "The Earth King" Additional Voice, "The Guru" Additional Voice, "The Crossroads of Destiny" |
| Dante Basco | Prince Zuko Additional Voice, Various Episodes |
| Derek Basco | Moku + Additional Voice, "The Cave of Two Lovers" |
| William H. Bassett | Huu, "The Swamp" |
| Greg Berg | Additional Voice, "City of Walls and Secrets" Additional Voice, "The Tales of Ba Sing Se" |
| Lucille Bliss | Yaguda, "The Waterbending Master" |
| Bill Bolender | Sha-Mo + Additional Voice, "The Desert" |
| Cameron Bowen | Additional Voice, "The Drill" |
| Johanna Braddy | Princess Yue |
| Victor Brandt | Master Pakku Additional Voice, “The Waterbending Master” Additional Voice, “The Siege of the North (Part 1)” Additional Voice, “The Siege of the North (Part 2)” Additional Voice, “The Avatar State” |
| Melendy Britt | Gran Gran |
| Clancy Brown | Long Feng Additional Voice, "The Guru" Additional Voice, "The Crossroads of Destiny" |
| Robby Bruce | Lee, "Zuko Alone" |
| Julianne Buescher | Additional Voice, "Avatar Day" |
| Paul Butcher | Additional Voice, "The Storm" |
| | |
| Jodi Carlisle | Herbalist Lady Additional Voice, "The Blue Spirit" |
| Gabrielle Carteris | Additional Voice, "The Blind Bandit" |
| George Cheung | Pao |
| Tsai Chin | Aunt Wu Additional Voice, "The Fortuneteller" |
| Cam Clarke | Lao Beifong + Additional Voice, "The Blind Bandit" |
| Melinda Clarke | Madame Macmu-Ling, "The Tales of Ba Sing Se" |
| Jen Cohn | Ursa, "Zuko Alone" |
| | |
| Daniel Dae Kim | General Fong, "The Avatar State" |
| Grey DeLisle | Princess Azula Additional Voice, Various Episodes |
| Eric Todd Dellums | Koh - the Face Stealer, "The Siege of the North (Part 2)" |
| Hayley DeLong | Additional Voice, "The Warriors of Kyoshi" |
| Barry Dennen | General Sung, "The Drill" Additional Voice, "The Earth King" |
| Jack DeSena | Sokka Additional Voices, Various Episodes |
| John DiMaggio | Additional Voice, "The Blind Bandit" |
| Ben Diskin | Hahn |
| Marc Donato | Longshot, "Lake Laogai" |
| Michael Dow | Haru + Additional Voice, "Imprisoned" |
| Robin Atkin Downes | Princess Azula's Captain + Additional Voice, "The Avatar State" Additional Voice, "Return to Omashu" Additional Voice, "Appa's Lost Days" |
| | |
| Walker Edmiston | Fire Lord Azulon, "Zuko Alone" |
| Paul Eiding | Governor of New Ozai + Additional Voice, "Return to Omashu" |
| Susan Eisenberg | Sela, "Zuko Alone" |
| Zack Tyler Eisen | Aang Additional Voice, Various Episodes |
| Hector Elizondo | Wan Shi Tong, "The Library" |
| | |
| Roberta Farkas | Zhang Leader + Additional Voice, "The Great Divide" Additional Voice, "The Serpent's Pass" Additional Voice,, "The Drill" |
| Takayo Fisher | Additional Voice, "The Avatar State" Additional Voice, "Return to Omashu"
|
| Jessie Flower | Toph Beifong Meng + Additional Voice, "The Fortuneteller" |
| Quinton Flynn | Mugger, "The Tales of Ba Sing Se" |
| Mick Foley | The Boulder, "The Blind Bandit" |
| Kurt Fuller | Quon + Additional Voice, "Lake Laogai" |
| Nika Futterman | Smellerbee Additional Voice, "Lake Laogai" |
| | |
| James Garrett | Avatar Roku |
| John Garry | Additional Voice, "Zuko Alone" |
| Brian George | Guru Pathik Additional Voice, "The Guru" Additional Voice, "The Crossroads of Destiny" |
| Barbara Goodson | Song's Mother, "The Cave of Two Lovers" |
| Marc Graue | Xin Fu Additional Voice, "The Blind Bandit" Additional Voice, "The Desert" |
| Kim Mai Guest | Ying Song, "The Cave of Two Lovers" Additional Voice, "The Drill" |
| Nicholas Guest | Additional Voice, "City of Walls and Secrets" |
| | |
| Olivia Hack | Ty Lee Additional Voice, "Appa's Lost Days" |
| Mike Hagiwara | Leader, "The Spirit World (Winter Solstice Part 1)" + "Avatar Roku (Winter Solstice Part 1)" |
| Jennifer Hale | Jun + Additional Voice, "Bato of the Water Tribe" Avatar Kyoshi, "Avatar Day" |
| Robert David Hall | Additional Voice, "Appa's Lost Days" |
| Mark Hamill | Fire Lord Ozai Additional Voice, "The Siege of the North" |
| Daniel Hansen | Additional Voice, "The Storm" |
| Jillian Henry | Koko |
| Amy Hill | Superior + Additional Voice, "Bato of the Water Tribe" |
| Mitch Holleman | The Duke, "Jet" |
| James Hong | Dour Southern Air Temple Monk, "The Storm" Mayor Tong + Additional Voice, "Avatar Day"
|
| | |
| Jason Isaacs | Commander/Admiral Zhao |
| Makoto Iwamatsu | Uncle/General Iroh |
| | |
| Nick Jameson | Colonel Shinu + Additional Voice, "The Blue Spirit" |
| David Jeremiah | Additional Voice, "Avatar Day" |
| Peter Jessop | Fung + Additional Voice, "The Desert" |
| S. Mark Jordan | Additional Voice, "The Warriors of Kyoshi" |
| | |
| Tom Kane | Additional Voice, "Imprisoned" |
| John Kassir | Chey, "The Deserter" |
| Clyde Kastatsu | Storyteller + Additional Voice, "The Northern Air Temple" |
| Jeremy Kramer | Additional Voice, "Lake Laogai" |
| Clyde Kusatsu | Senior Southern Air Temple Monk, "The Storm" The Calm Man + Additional Voice, "The Fortuneteller" Additional Voice, "Avatar Roku (Winter Solstice Part 2)"
|
| Jennie Kwan | Suki Additional Voice, "The Warriors of Kyoshi" Additional Voice, "Appa's Lost Days" |
| | |
| Phil LaMarr | Kuei/Earth King Additional Voice, "The Earth King" Additional Voice, "The Guru" Additional Voice, "The Crossroads of Destiny" |
| Lex Lang | Additional Voice, "The Avatar State" Additional Voice, "Return to Omashu" |
| Cricket Leigh | Mai |
| Marcella Lentz-Pop | Jin, "The Tales of Ba Sing Se" |
| Bruce Locke | Additional Voice, "The Southern Air Temple" |
| Madeline Lovejoy | Additional Voice, "The Boy in the Iceberg" + "The Avatar Returns" |
| | |
| Karen Maruyama | Bureaucrat, "The Serpent's Pass" Additional Voice, "The Storm" |
| Scott McAfee | Additional Voice, "The Siege of the North" |
| Michael McConnihie | Additional Voice, "The Deserter" |
| Richard McGonagle | Bato, "Bato of the Water Tribe" |
| Steve McGowan | Additional Voice, "Avatar Day" |
| Paul McKinney | Ghashiun Additional Voice, "The Desert" Additional Voice, "Appa's lost Days" |
| Byron McKittrick | Pirate Barker Crazy Foaming Guy Additional Voice, "Avatar Day" |
| Scott Menville | Gan Jin Scout + Additional Voice, "The Great Divide" Additional Voice, "Bato of the Water Tribe" Additional Voice, "The Deserter" Additional Voice, "The Blind Bandit" Additional Voice, "City of Walls and Secrets" |
| Jim Meskimen | Lieutenant Jee General How Additional Voice, "The Waterbending Scroll" Additional Voice, "Jet" Additional Voice, "The Storm" Additional Voice, "The Drill" Additional Voice, "The Earth King" Additional Voice, "The Guru" Additional Voice, "The Crossroads of Destiny" |
| Jason Miller X | Scary Prisoner + Additional Voice, "Avatar Day" Additional Voice, "City of Walls and Secrets" Additional Voice, "Lake Laogai" |
| Cameron Monaghan | Additional Voice, "The Fortuneteller" |
| Andy Morris | Kenji + Additional Voice, "The Tales of Ba Sing Se" |
| Scott Mosenson | Additional Voice, "The Blind Bandit" |
| Lizzie Murray | Additional Voice, "The Tales of Ba Sing Se" |
| Pam Musick | Haru's Mother + Additional Voice, "Imprisoned"
|
| Mitchell Musso | Aang, "Unaired Pilot Episode " |
| | |
| Paul Nakauchi | Additional Voice, "Zuko Alone" |
| Laraine Newman | Lily, "The Cave of Two Lovers" |
| Daran Norris | Additional Voice, "The King of Omashu"
|
| Kevin Ng | Kid Bumi, "The King of Omashu" |
| | |
| Brian M. O'Neill | Gansu, "Zuko Alone" |
| | |
| Robert Pine | Old Fisherman, "The Storm" |
| Jon Polito | Northern Water Tribe Chief Arnook Additional Voice, Various Episodes |
| | |
| Flo Di Re | Additional Voice, "Appa's Lost Days" |
| Kevin Michael Richardson | Flopsie Tyro + Additional Voice, "Imprisoned" Additional Voice, "The Blind Bandit" |
| Andrea Romano | Additional Voice, "The Earth King"
|
| Julianna Rose | Additional Voice, "Jet" |
| Elijah Runcorn | Young Zuko, "Zuko Alone" |
| | |
| Daniel Samonas | Teo, "The Northern Air Temple" |
| Raphael Sbarge | Professor Zei + Additional Voice, "The Library" |
| Dwight Schultz | Trainer + Additional Voice, "Appa's Lost Days" |
| James Shigeta | Old Wanderer, "The Spirit World (Winter Solstice Part 1)" |
| Sab Shimono | Monk Gyatso Master Yu Additional Voice, "The Blind Bandit" |
| James Sie | The Cabbage Merchant Oyaji Additional Voice, "The Warriors of Kyoshi" Additional Voice, "The Waterbending Scroll" Additional Voice, "The Deserter" Additional Voice, "The Tales of Ba Sing Se" |
| Susan Silo | Fisherman's wife, "The Storm" |
André Sogliuzzo | King Bumi Hakoda Additional Voice, "The King of Omashu" Captain + Additional Voice, "The Spirit World (Winter Solstice Part 1)" |
| Leonard Stone | Canyon Guide + Additional Voice, "The Great Divide" |
| Craig Strong | Additional Voice, "The Tales of Ba Sing Se" |
| Tara Strong | Governor's Wife + Additional Voice, "Return to Omashu" Additional Voice, "The Tales of Ba Sing Se" |
| Gary Sturgis | Gow, "Zuko Alone" |
| Rodney Sulsberry | Additional Voice, "The Drill" |
| Keith Szarabajka | Additional Voice, "Imprisoned"
|
| | |
| Kristoffer Tabori | War Minister Qin Additional Voice, "The Drill" |
| George Takei | The Warden, "Imprisoned" |
| Fred Tatasciore | Omashu Resistance Leader + Additional Voice, "Return to Omashu" |
| James Arnold Taylor | Additional Voice, "The Deserter" |
| Malachi Throne | Colonel Mongke Additional Voice, "Avatar Day" |
| Zach Throne | Additional Voice, "Avatar Day" Additional Voice, "Zuko Alone" Additional Voice, "The Desert" Additional Voice, "The Earth King" |
| Brian Tochi | Than |
| Lauren Tom | Joo Dee Additional Voice, "The Fortuneteller" Additional Voice, "City of Walls and Secrets"
|
| | |
| Clement Von Frankenstein | Great Sage, "Avatar Roku (Winter Solstice Part 2)"
|
| | |
| Andre Ware | Additional Voice, "Avatar Day" |
| Alicia Weyer | Additional Voice, "The Tales of Ba Sing Se" |
| Wil Wheaton | Pet Salesman, "City of Walls and Secrets" |
| Mae Whitman | Katara Additional Voice, Various Episodes Lu Ten, "Bitter Work" |
| Crawford Wilson | Jet |
| Dave Wittenberg | Additional Voice, "The Fortuneteller" |
| Adam Wylie | Additional Voice, "The Blind Bandit" |
| | |
| Michael Yama | Sage Shyu + Additional Voice, "Avatar Roku (Winter Solstice Part 2)" |
| Keone Young | Jeong Jeong + Additional Voice, "The Deserter" Captain Li, "The Waterbending Master" Additional Voice, "The Storm" |
| Sterling Young | Pipsqueak, "Jet" |
| | |
| Luke Zampas | Additional Voice, "The Boy in the Iceberg" + "The Avatar Returns" |