La película de M. Night Shaymalan narra las aventuras de Aang (Noah Ringer), el último y más joven descendiente de la estirpe de los avatares. Su misión es detener la guerra que ha empezado la Nación del Fuego contra las naciones de Aire, Agua y Tierra. Aang es el único que posee el don de dominar todos los elementos, pero necesitará la ayuda de Sokka (Jackson Rathone) y Katara (Nicola Peltz). Además, deberán escapar de las garras del malvado príncipe Zuko (Dev Patel), que quiere perpetuar el caos y la destrucción para aumentar su tenebroso poder.
Producción: Scott Aversano, Frank Marshall, Sam Mercer, M. Night Shyamalan
Producción ejecutiva: Michael Dante DiMartino, Kathleen Kennedy, Bryan Konietzko
Coproducción: Jose L. Rodriguez
Música: James Newton Howard
Fotografía: Andrew Lesnie
Casting: Douglas Aibel
Diseño de producción: Philip Messina
Dirección artística: Robert Fechtman, Richard L. Johnson, Gerald Sullivan
Vestuario: Judianna Makovsky
Maquillaje: Sherri Bramlett, Patrick Conlon, Diane Dixon, Christine Fennell, Lori Hicks, Sandra Linn Koepper, Joshua Lord, Jerry Popolis, Ivana Primorac, Frank Vazquez
Departamento artístico: Antonio Andraus, Laurent Ben-Mimoun, Carrie Best, Jamie Bishop, Robert A. Blackburn, Mauro Borrelli, Lewis Bowen Jr., Dawn Brown, J.C. Brown, Joanna Bush, Eric de Jesus, Elizabeth Duby, Chip Eccles, Scot Erb, Sara Gardner-Gail, Erick Garibay, Edward R. Geller, Daniel J. Gillooly, Wylie Griffin, Robert Hale, Samantha Higgins, J. Bryan Holloway, Travis Huffman, R. Mark Hughes, Keith S. Jackson, David James, Noelle King, David Ladish, Steven Ladish, Tim R. Lafferty, Mitchell Landsman, Chris Larsen, George Lee, Talia Leone, Robert Loring Jr., Ted Lubonovich II, Jim Magdaleno, Danielle Mana, Warren Manser, Lori Marks, Robin L. Miller, Kristine Muller, Randy L. Parisian, Erin Payne, William H. Phen Jr., Sara Philpott, Douglas Poland, Sharon Potts, Brian Powers, Edward J. Protiva, Rick Reeder, Ricky Riggs, Christopher S. Ross, John S. Schlicter, Charles J. Scott, Rae Signer, Mark Skversky, Patrick M. Sullivan Jr., Anthony Urban, Robert Van Dyke, Paul Williams, Helen Wilson, Christopher Woodworth, Nicole Zaks, Chris Zimmerman, Damien Harrer
Sonido: David Chrastka, Colette Dahanne, Sean England, Malcolm Fife, Will Files, Mike Ford, Scott Guitteau, Nia Hansen, Richard Hymns, Chris Kellet, Rick Kline, Leff Lefferts, Stuart McCowan, Jeremy Molod, Chris Munro, Anthony Ortiz, Dave Rainey, Michael Scott, Brad Semenoff, Steve Slanec, Clint Smith, Randy Thom, Gwendolyn Yates Whittle
Efectos especiales: Christian Beckman, Mark Bourque, Sophia Coronado, Steve Cremin, Robert Kato DeStefan, Megan Flagg, Michael Frechette, Joe Giles, Brian Goehring, Anh Le Hoang, Haukur Karlsson, Pete Kelley, Jay King, Kevin Kirkpatrick, Tom Knott, D. William Lee, Jacqueline Makkee, Wes Mattox, L.A. McConnell, Brandon K. McLaughlin, Elizabeth Murtha, Michael O'Brien, Ken Rudell, Ray Shaffer, Johannes Sverrisson, Jill Warner, Patrick Edward White, Dennis Yeager II
Efectos visuales: Christian Alzmann, Florent Andorra, Michael Balog, Daniel Bayona, Basel Bazlamit, Chris Bowers, Mark Breakspear, Ken Bryan, Henry Kwok Ho Chan, Mark Chataway, Nick D'Abo, Nicolas Deziel, Ben Dishart, Peter Dudley, Kalene Dunsmoor, Steve Fait, Sebastian Feldman, Marco Foglia, Robb Gardner, Willi Geiger, Brian Gernand, Angela Giannoni, Tim Gibbons, Branko Grujcic, Brian Hanable, Tim Harrington, Geoffrey Harvey, Pablo Helman, Sherry Hitch, Ryan Hopkins, Sean House, Paul Huston, Jonna Isotalus, Stephen James, Shilpa Kirpalani, Justin Kosnikowski, Makoto Koyama, Joshua LaCross, François Lambert, Lun Lam, Jean Lapointe, Gary Laurie, Alexander K. Lee, Jaewook Lee, Tu Le, Letia Lewis, Benjamin Liu, Brian Magner, Tom Martinek, Jim Maxwell, Kevin May, Allan McKay, Alexandre Ménard, Farhad Mohasseb, Jerome Moo, David Manos Morris, Michelle Motta, Sheau Horng Ng, Yoon See Ng, Chris Nichols, Brandy Nightingale, Cosku Ozdemir, S. Scott Parrish, Daniel Pearson, Zoltan Pogonyi, Lance Ranzer, Mike Sanders, Tiago Santos, Steve Sauers, Victor Schutz, Jeff Shank, Michael Stewart, Sam Stewart, Andre Surya, Jeff Sutherland, Lionel Taillens, Kieran Tether, Meghan Thornton, Paul G. Thuriot, Dan Tindell, Salvador Tovar, Melissa Tseng, Lee Uren, Andres Vitale, Eric Wahlstrom, Kelly Walsh, Ryan Wiederkehr, Amy W. Wong, Long Yinghan, Scott Younkin, Patrick Zentis
Animación: Marc Beaujeau, Joseph Kim, Chi Chung Tse
Casting: Henry Russell Bergstein, Deborah Maxwell Dion, Jeremy Gordon, Regina Haigh, Diane Heery, Colleen Kay, Jason Loftus, Deedra Ricketts, Sarah Adela Tirado, Mariellen Ward
Vestuario: Deborah Ambrosino, Ginger Anglin, Laura Baker, Cha Blevins, Deborah Rooney Burrill, Christian Cordella, Holly Davis, Carol Demarti, Dominick De Rasmo, Scott R. Hankins, Lorraine Hawk, Honora Jackson, Penelope Laughman, Rachel Leek, Danielle Mana, Kara Morasco, David Paulin, Kathie Pierson, Manuel Plank-Jorge, Steven Porch, Maren Reese, Matt Reitsma, Suzanne Robertson, Gina Scarnati, Faye Sevilla, Gloria Shih, Sanford Slepak, Barnaby Smith, Ivory Stanton, Jaizelle Stendardo, Carol Swan, Lisa Tomczeszyn, Nora Wooldridge, Angeline Zeigler
Departamento editorial: Luke Franco Ciarrocchi, Meagan Costello, Joe Gawler, Carole A. Kenneally, Yvan Lucas, Eric Stapf, Larry D. Webster
Departamento musical: Jeff Atmajian, Robert Danzey-Persaud, Brad Dechter, Mark Graham, Shawn Murphy, Conrad Pope, Peter Rotter, Steven L. Smith, Sally Stevens, John Ashton Thomas
Departamento de transportes: Michael Kelly, Edward Lynch, Mikisoq H. Lynge, Adam Schoon, John J. Sullivan