Jack Black Zeke (voice)
John Leguizamo Sid (voice)
Tara Strong Start (voice)
Stephen Root Rhino / Start (voice)
Alan Tudyk Saber-Toothed Tiger / Freaky Mammal (voice)
Cedric the Entertainer Rhino (voice)
Denis Leary Diego (voice)
Diedrich Bader Saber-Toothed Tiger (voice)
Ray Romano Manfred 'Manny' (voice)
Goran Višnjić Soto (voice)
Rachel Tiep-Daniels Modeling
Jane Krakowski Female Sloth (voice)
George A. Lara Foley Mixer
Josh Hamilton Dodo / Aardvark (voice)
Kristen Johnston Sylvia (voice) (uncredited)
Peter de Sève Character Designer
P.J. Benjamin Dodo (voice)
Michael J. Wilson Story, Screenplay
Gary Burritt Negative Cutter
Carlos Saldanha Co-Director
Everett Downing Jr. Animation
Doug Hemphill Sound Re-Recording Mixer
Phil Proctor Various Mammals (uncredited)
José Antonio Macías Translator
Dann Fink Dodo (voice) (uncredited)
Marko Costanzo Foley Artist
Chris Wedge Director, Dodo / Scrat (voice)
David Silverman Story
Derek Casari ADR Engineer
Patrick Pinney Various Mammals (uncredited)
Jim Passon Color Timer
Peter Ackerman Dodo / Freaky Mammal (voice), Screenplay
Paul Urmson Sound Effects Editor
Lewis Goldstein Sound Effects Editor
Denny Dillon Glypto (voice)
Kevin O'Brien Storyboard Artist
Frank Kern Foley Editor
John K. Dodelson Modeling
John C. Donkin Associate Producer
Darin De Paul Additional Voices (voice) (uncredited)
Chris Meledandri Executive Producer
Paul Massey Sound Re-Recording Mixer
Greg Jamrok Orchestrator
Aaron Hartline Animation
Craig Berkey Sound Effects Editor
Bruce Winant ADR Voice Casting
Rodrigo Blaas Animation
David Newman Original Music Composer, Conductor
Nicholas Renbeck ADR Editor
Marissa Littlefield ADR Editor
Mike Thurmeier Additional Writing, Lead Animator
Lorri Bagley Female Sloth (voice)
Lori Forte Producer
Moroni Taylor Storyboard Artist
Michael Berg Screenplay
Tim Gomillion Sound Recordist
Mitzi McCall Glypto (voice)
Sean Garnhart Sound Designer, Supervising Sound Editor
James Palumbo Assistant Editor
Enrico Casarosa Storyboard Artist
Albert Gasser ADR Editor
Jørgen Klubien Storyboard Artist
Steve Martino Art Direction
Dennis Rogers Sound Recordist
Galen T. Chu Additional Writing, Animation, Visual Effects
Yvette Kaplan Story
Kenton Jakub ADR Editor
Meg Morman Casting Associate
Nico Abondolo Musician
Joshua Winget Temp Music Editor
John Kurlander Scoring Mixer
Bill Orrico First Assistant Sound Editor