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