John Leguizamo Sid (voice)
Jack Black Zeke (voice)
Denis Leary Diego (voice)
Stephen Root Rhino / Start (voice)
Tara Strong Start (voice)
Alan Tudyk Saber-Toothed Tiger / Freaky Mammal (voice)
Cedric the Entertainer Rhino (voice)
Goran Višnjić Soto (voice)
Ray Romano Manfred 'Manny' (voice)
Jane Krakowski Female Sloth (voice)
Carlos Saldanha Co-Director
Diedrich Bader Saber-Toothed Tiger (voice)
Josh Hamilton Dodo / Aardvark (voice)
Kristen Johnston Sylvia (voice) (uncredited)
Denny Dillon Glypto (voice)
Mike Reiss Additional Dialogue
Chris Meledandri Executive Producer
David Silverman Story Consultant
Chris Wedge Director, Dodo / Scrat (voice)
Michael J. Wilson Story, Screenplay
Michael Thurmeier Additional Writing, Lead Animator, Additional Storyboarding
Gary Burritt Negative Cutter
Jim Passon Color Timer
Doug Hemphill Sound Re-Recording Mixer
Paul Massey Sound Re-Recording Mixer
Jon Vitti Story Consultant
David Newman Original Music Composer, Conductor
Peter Ackerman Dodo / Freaky Mammal (voice), Screenplay
Enrico Casarosa Story Artist
Lewis Goldstein Sound Effects Editor
Bruce Winant ADR Voice Casting
Lorri Bagley Female Sloth (voice)
Marko Costanzo Foley Artist
Daisuke 'Dice' Tsutsumi Matte Painter
John C. Donkin Associate Producer
Steve Martino Art Direction
Paul Urmson Sound Effects Editor
Michael Berg Screenplay
Kenton Jakub ADR Editor
Mitzi McCall Glypto (voice)
Albert Gasser ADR Editor
George A. Lara Foley Mixer
Craig Berkey Sound Effects Editor
Wilbert Plijnaar Story Artist
Tim Nordquist Associate Editor
James Palumbo Assistant Editor
Sean Garnhart Sound Designer, Supervising Sound Editor
Peter de Sève Character Designer
Kevin O'Brien Story Artist
Derek Casari ADR Engineer
Lori Forte Producer
Rodrigo Blaas Animation
P.J. Benjamin Dodo (voice)
John Carnochan Editor
Ilya Skorupsky Story Artist
Everett Downing Jr. Animation
Marissa Littlefield ADR Editor
Tim Gomillion Sound Recordist
John Kurlander Scoring Mixer
David Torres Animation
Bill Orrico First Assistant Sound Editor
José Antonio Macías Translator
Meg Morman Casting Associate
Frank Kern Foley Editor
Nicholas Renbeck ADR Editor
Galen T. Chu Additional Writing, Animation, Additional Storyboarding, Visual Effects
Jeff Siergey Additional Writing, Additional Storyboarding
Joshua West Animation
Moroni Taylor Story Artist
Joshua Winget Temp Music Editor
William H. Frake III Story Artist, Layout
James Bresnahan Lead Animator, Additional Writing, Additional Storyboarding