Elijah Wood as Mumble (voice)

Robin Williams as Ramon / Lovelace (voice)

Brittany Murphy as Gloria (voice)

Hugh Jackman as Memphis (voice)

Nicole Kidman as Norma Jean (voice)

Hugo Weaving as Noah (voice)

Anthony LaPaglia as Boss Skua (voice)

E. G. Daily as Baby Mumble (voice)

Magda Szubanski as Miss Viola (voice)

Miriam Margolyes as Mrs. Astrakhan (voice)

Carlos Alazraqui as Nestor (voice)

Lombardo Boyar as Raul (voice)

Jeffrey Garcia as Rinaldo (voice)

Johnny A. Sanchez as Lombardo (voice)

Fat Joe as Seymour (voice)

Alyssa Shafer as Baby Gloria (voice)

Cesar Flores as Baby Seymour (voice)

Danny Mann as Dino (voice)

Mark Klastorin as Vinnie (voice)

Michael Cornacchia as Frankie (voice)

Seishirou Katou as Baby Mumble (voice)

Arif S. Kinchen as Skuas (voice)

Steve Irwin as Trev (voice)

Nicholas McKay as Nev (voice)

Tiriel Mora as Kev (voice)

Lee Perry as Elder / Zoo Penguin (voice)

Alan Shearman as Elder (voice)

Larry Moss as Elder (voice)

Peter Carroll as Elder (voice)

Giselle Loren as Adélie Chica (voice)

Michelle Arthur as Adélie Chica (voice)

Denise Blasor as Adélie Chica (voice)

Dee Bradley Baker as Maurice (voice)

Roger Rose as Leopard Seal (voice)

Chrissie Hynde as Michelle (voice)

Richard Carter as Barry (voice)

J. Grant Albrecht as (voice)

Logan Arens as (voice)

Charles Bartlett as (voice)

Shane Baumel as (voice)

T.J. Beacom as (voice)

Kwesi Boakye as (voice)

A.J. Buckley as (voice)

Erin Chambers as (voice)

Rickey D'Shon Collins as (voice)

Scotty Cox as (voice)

Django Craig as (voice)

Nicholas DeLaurentis as (voice)

Olivia DeLaurentis as (voice)

Chris Edgerly as (voice)

Efrain Figueroa as (voice)

Jeff Fischer as (voice)

Sonje Fortag as (voice)

Spencer Lacey Ganus as Additional Voices (voice)

Khamani Griffin as (voice)

Khadijah Haqq McCray as (voice)

Aldis Hodge as (voice)

Fisher Keene as (voice)

Michael Krepack as (voice)

Libby Lynch as (voice)

Diane Michelle as (voice)

Ryan Munck as (voice)

Christian Pikes as (voice)

Steve Pinto as (voice)

Zoë Raye as (voice)

Noreen Reardon as (voice)

Eliana Reyes as (voice)

Nicole Richmond as (voice)

Aimee Roldan as (voice)

Kyndell Rose as (voice)

Alyssa Smith as (voice)

Mari Weiss as (voice)

Billy 'Sly' Williams as (voice)

Rachel York as (voice)

Charlotte Gillman as Live Action Cast

Warren Coleman as Live Action Cast

Felix Williamson as Live Action Cast

Carly Andrews as Live Action Cast

Cassandra Swaby as Live Action Cast

Winston Cooper as Live Action Cast

Henry Nixon as Live Action Cast

Kelly Tracey as Live Action Cast

Yann Le Berre as Live Action Cast

Belinda Bromilow as Live Action Cast

Dasi Ruz as Live Action Cast

Helmut Bakaitis as Live Action Cast

Simon Westaway as Live Action Cast

Craig Ricci Shaynak as (voice)

Alan Zitner as Live Action Cast