Elijah WoodMumble (voice) Robin WilliamsRamon / Lovelace (voice) Johnny A. SanchezLombardo (voice) Lombardo BoyarRaul (voice) Sofía VergaraCarmen (voice) Carlos AlazraquiNestor (voice) Jeffrey GarciaRinaldo (voice) Benjamin Flores Jr.Atticus (voice) Magda SzubanskiMiss Viola (voice) Hank AzariaMighty Sven (voice) Richard CarterBryan (voice) Lee PerryWayne / Francesco / Eggbert / Leopard Seal (voice) Jai SloperWeaner Pup (voice) Oscar BeardWeaner Pup (voice) Anthony LaPagliaAlpha Skua (voice) Danny MannBrokebeak (voice) Denise BlasorAdelie Chica (voice) Roger NarayanIndian Penguin (voice) Mason CottonAdditional Voices (voice) Joshua RushAdditional Voice (voice) Lillian Garrett-GroagAdditional Voices (voice) Veena BidashaAdditional Voices (voice) George MillerRegista / Sceneggiatore / Produttore Warren ColemanSceneggiatore Paul LivingstonSceneggiatore Bruce BermanProduttore Esecutivo Graham BurkeProduttore Esecutivo Martin G. WoodCo-produttore Christopher DeFariaProduttore Esecutivo Philip HearnshawProduttore Esecutivo David NelsonArt Direction John PowellCompositore Musicale Originale Jeannette Maher-ManifoldLine Producer Ana Ramos DominguezProduction Coordinator Frances DawsonProduction Coordinator Stacy BissellResponsabile di Produzione David CunninghamVisual Effects Technical Director Rob ColemanAnimation Director Andrew JacksonVisual Effects Supervisor 
