 | Zach Tyler | ... | Aang / ... (60 episodes, 2005-2008) |

| Mae Whitman | ... | Katara / ... (59 episodes, 2005-2008) |
 | Jack De Sena | ... | Sokka / ... (59 episodes, 2005-2008) |
 | Dee Bradley Baker | ... | Appa / ... (53 episodes, 2005-2008) |

| Dante Basco | ... | Prince Zuko / ... (48 episodes, 2005-2008) |

| Jessie Flower | ... | Toph / ... (37 episodes, 2005-2008) |

| Mako | ... | Uncle Iroh / ... (30 episodes, 2005-2007) |

| Grey DeLisle | ... | Azula / ... (17 episodes, 2006-2008) |

| Olivia Hack | ... | Ty Lee / ... (15 episodes, 2006-2008) |

| Cricket Leigh | ... | Mai (11 episodes, 2006-2008) |

| André Sogliuzzo | ... | Hakoda / ... (11 episodes, 2005-2008) |

| Jennie Kwan | ... | Suki / ... (10 episodes, 2005-2008) |

| Greg Baldwin | ... | Additional Voices / ... (10 episodes, 2006-2008) |

| Mark Hamill | ... | Fire Lord Ozai / ... (10 episodes, 2005-2008) |

| Jim Meskimen | ... | Additional Voices / ... (10 episodes, 2005-2008) |

| Jason Isaacs | ... | Admiral Zhao / ... (7 episodes, 2005) |

| James Sie | ... | Additional Voices / ... (7 episodes, 2005-2006) |
 | Scott Menville | ... | Additional Voices / ... (7 episodes, 2005-2008) |
 | James Garrett | ... | Avatar Roku (6 episodes, 2005-2007) |

| Crawford Wilson | ... | Jet (5 episodes, 2005-2006) |
 | Nika Futterman | ... | Smellerbee / ... (5 episodes, 2005-2006) |
 | Sab Shimono | ... | Master Yu / ... (5 episodes, 2005-2006) |

| Clancy Brown | ... | Long Feng / ... (5 episodes, 2006) |
 | Victor Brandt | ... | Master Pakku / ... (5 episodes, 2005-2008) |

| Johanna Braddy | ... | Princess Yue / ... (5 episodes, 2005-2007) |
 | Keone Young | ... | Additional Voices / ... (5 episodes, 2005-2008) |

| Jason Miller | ... | Additional Voices / ... (5 episodes, 2006-2008) |

| Clyde Kusatsu | ... | Additional Voices / ... (4 episodes, 2005) |

| Brian George | ... | Guru Pathik / ... (4 episodes, 2006-2007) |

| Kevin Michael Richardson | ... | Additional Voices / ... (4 episodes, 2005-2008) |
 | Marc Graue | ... | Xin Fu / ... (4 episodes, 2006) |

| Takayo Fischer | ... | Additional voices / ... (4 episodes, 2006-2007) |

| Daniel Samonas | ... | Teo (4 episodes, 2005-2007) |
 | James Garrett | ... | Avatar Roku (4 episodes, 2005-2007) |

| Richard McGonagle | ... | Bato (4 episodes, 2005-2007) |

| Zachary Throne | ... | Additional Voices (4 episodes, 2006-2008) |

| Jon Polito | ... | Chief Arnook / ... (3 episodes, 2005) |

| Lauren Tom | ... | Additional Voices / ... (3 episodes, 2005-2006) |
 | Byron McKittrick | ... | Pirate Barker / ... (3 episodes, 2005-2006) |

| Tara Strong | ... | Actress Azula / ... (3 episodes, 2006-2008) |

| Rene Auberjonois | ... | Additional Voices / ... (3 episodes, 2005-2007) |

| Michael Dow | ... | Haru / ... (3 episodes, 2005-2007) |

| Phil LaMarr | ... | Earth King / ... (3 episodes, 2006) |

| Brian Tochi | ... | Additional Voices / ... (3 episodes, 2006-2008) |
 | Kristoffer Tabori | ... | War Minister / ... (3 episodes, 2005-2007) |
 | Kim Mai Guest | ... | Additional Voices / ... (3 episodes, 2006) |

| Robin Atkin Downes | ... | Additional Voices / ... (3 episodes, 2006) |
 | Lex Lang | ... | Additional voices / ... (3 episodes, 2006-2007) |
 | Jen Cohn | ... | Ursa (3 episodes, 2006-2008) |
 | Sterling Young | ... | Pipsqueak (3 episodes, 2005-2007) |

| Paul Eiding | ... | Additional Voices / ... (2 episodes, 2006-2007) |
 | Melendy Britt | ... | Gran Gran (2 episodes, 2005) |
 | Jennifer Hale | ... | Additional Voices / ... (2 episodes, 2005-2006) |
 | Erik Dellums | ... | Koh (2 episodes, 2005) |
 | Madeline Lovejoy | ... | Additional Voices (2 episodes, 2005) |
 | Tsai Chin | ... | Additional Voices / ... (2 episodes, 2005) |
 | Mike Hagiwara | ... | Leader (2 episodes, 2005) |
 | Luke Zampas | ... | Additional Voices (2 episodes, 2005) |

| Jillian Henry | ... | Koko (2 episodes, 2005-2006) |

| James Hong | ... | Additional Voices / ... (2 episodes, 2005-2006) |

| Derek Basco | ... | Actor Zuko / ... (2 episodes, 2006-2008) |
 | Malachi Throne | ... | Colonel Mongke / ... (2 episodes, 2006) |
 | Jack Angel | ... | Additional Voices / ... (2 episodes, 2005) |
 | Ben Diskin | ... | Hahn (2 episodes, 2005) |
 | John Di Maggio | ... | Actor Toph / ... (2 episodes, 2006-2008) |

| Paul McKinney | ... | Ghashiun / ... (2 episodes, 2006) |

| George Cheung | ... | Pao (2 episodes, 2006) |
 | Karen Maruyama | ... | Additional Voices / ... (2 episodes, 2005-2006) |
 | Roberta Farkas | ... | Additional Voices / ... (2 episodes, 2005-2006) |
 | Mick Foley | ... | The Boulder (2 episodes, 2006-2007) |

| Robert Patrick | ... | Piandao (2 episodes, 2007-2008) |

| William Bassett | ... | Huu / ... (2 episodes, 2006-2007) |
 | Carlos Alazraqui | ... | Additional Voices / ... (2 episodes, 2006-2007) |
 | Joe Alaskey | ... | Additional Voices / ... (2 episodes, 2006-2007) |

| Wayne Duvall | ... | Warden Poon (2 episodes, 2007) |

| Barbara Goodson | ... | Additional Voices / ... (2 episodes, 2006-2007) |
 | Nick Swoboda | ... | The Duke (2 episodes, 2007) |
 | Lucille Bliss | ... | Yagoda / ... (2 episodes, 2005) |
 | Marc Donato | ... | Additional Voices / ... (2 episodes, 2006-2007) |

| Wade Williams | ... | Warden (2 episodes, 2008) |

| Jason Marsden | ... | Jet (2 episodes, 2006) |
|
| Aldina Dias | .... | designer / prop designer (47 episodes, 2005-2007) |
| Hye-Jung Kim | .... | painter (38 episodes, 2005-2006) |
| Justin Ridge | .... | storyboard artist / illustrator (11 episodes, 2005-2006) |
| Bobby Rubio | .... | storyboard artist / storyboard (7 episodes, 2005-2006) |
| Juan Jose Meza-Leon | .... | storyboard artist (7 episodes, 2007-2008) |
| Ian Graham | .... | storyboard artist / storyboard (5 episodes, 2005-2006) |
| Kenji Ono | .... | storyboard artist / storyboard (5 episodes, 2005-2006) |
| Giancarlo Volpe | .... | storyboard artist / storyboard (5 episodes, 2005-2006) |
| Christofer Graham | .... | storyboard / storyboard artist (4 episodes, 2005-2006) |
| Miyuki Hoshikawa | .... | storyboard / storyboard artist (4 episodes, 2005-2006) |
| Ricardo F. Delgado | .... | assistant art director (4 episodes, 2005) |
| Tomihiro Yamaguchi | .... | storyboard / storyboard revision artist (4 episodes, 2006) |
| Dave Filoni | .... | storyboard artist (3 episodes, 2005) |
| Lauren MacMullan | .... | storyboard / storyboard artist (3 episodes, 2006) |
| Jung Sangwoong | .... | background paint supervisor (2 episodes, 2005-2006) |
| Oreste Canestrelli | .... | storyboard (2 episodes, 2006) |
| Ethan Spaulding | .... | storyboard / illustrator (2 episodes, 2006) |
| |
|
| Elsa Garagarza | .... | background artist / background supervisor / ... (45 episodes, 2005-2007) |
| Angela Mueller | .... | character designer / character layout artist (13 episodes, 2005-2006) |
| Bryan Konietzko | .... | character designer / background designer (12 episodes, 2005-2006) |
| Kathryn Gilmore | .... | animation checker / lip assignment / ... (11 episodes, 2005-2006) |
| Dao Le | .... | animation editor / animatic editor (11 episodes, 2005-2006) |
| Brigitte Franzka-Fritz | .... | character cleanup (10 episodes, 2005-2006) |
| Hye-Jung Kim | .... | background color / color stylist / ... (8 episodes, 2005-2006) |
| Heiko Drengenberg | .... | layout artist / character layout artist (8 episodes, 2005) |
| Enzo Baldi | .... | background designer (8 episodes, 2006) |
| Jean-Paul Bondy | .... | background color (7 episodes, 2005-2006) |
| Bryan Evans | .... | background color (7 episodes, 2006) |
| Andy Dill | .... | animator: main title animation (6 episodes, 2005-2006) |
| Tom Dankiewicz | .... | background designer / background layout / ... (5 episodes, 2005) |
| Will Weston | .... | background color / background designer (4 episodes, 2005) |
| Ethan Spaulding | .... | background designer (4 episodes, 2006) |
| Sang-Jin Kim | .... | animation director / animator / ... (3 episodes, 2005-2006) |
| Aaron Alexovich | .... | character designer / additional character design (3 episodes, 2005) |
| Ray Smyth | .... | layout artist (3 episodes, 2005) |
| Jevon Bue | .... | background designer (3 episodes, 2006) |
| Kim Jin Gon | .... | key animator (3 episodes, 2008) |
| Jong-Jin Choi | .... | key animator (2 episodes, 2005-2006) |
| Jong-won Kwong | .... | key animator (2 episodes, 2005-2006) |
| George S. Chialtas | .... | lip assignment (2 episodes, 2005) |
| Ricardo F. Delgado | .... | character designer / background artist / ... (2 episodes, 2005) |
| Li Hong | .... | additional character design / character designer (2 episodes, 2005) |
| Kang Lin Zhu | .... | character layout artist (2 episodes, 2005) |
| Mike Van Cleave | .... | background designer (2 episodes, 2006) |
| Jae-Myung Yu | .... | animation director (2 episodes, 2006) |
| |
|
| Michael Dante DiMartino | .... | story editor / title designer / ... (61 episodes, 2005-2008) |
| Jason Stiff | .... | director of post production (46 episodes, 2005-2008) |
| Justin Charlebois | .... | production coordinator (34 episodes, 2006-2008) |
| Joann Estoesta | .... | production coordinator (17 episodes, 2005-2006) |
| Siu-Leung Lee | .... | calligraphy and translation / chinese calligraphy and translation / ... (17 episodes, 2005-2006) |
| Lisa Wahlander | .... | martial arts coordinator / production assistant / ... (17 episodes, 2005-2006) |
| Edwin Zane | .... | cultural consultant (17 episodes, 2005-2006) |
| Joshua Hamilton | .... | assistant to writers (15 episodes, 2005-2006) |
| Bryan Konietzko | .... | title designer / main title designer (15 episodes, 2005-2006) |
| Katie Mattila | .... | production coordinator / production assistant (13 episodes, 2005-2006) |
| Lily Wang | .... | production assistant (11 episodes, 2005-2006) |
| Gary Scheppke | .... | production assistant (9 episodes, 2005-2006) |
| Tami Friend | .... | production coordinator (8 episodes, 2005) |
| Andrea Romano | .... | voice director (5 episodes, 2006) |
| Greg Rankin | .... | production assistant (2 episodes, 2006) |
| |