Jack Black Zeke (voice)
John Leguizamo Sid (voice)
Diedrich Bader Oscar (voice)
Jane Krakowski Rachel (voice)
Tara Strong Baby Start (voice)
Denis Leary Diego (voice)
Cedric the Entertainer Carl (voice)
Galen T. Chu Additional Writing, Animation
Phil Proctor Various Mammals (uncredited)
Alan Tudyk Lenny / Freaky Mammal / Dab (voice)
Stephen Root Frank / Start (voice)
Ray Romano Manny (voice)
Lori Forte Producer
David Silverman Story Consultant
Dann Fink Dodo (voice) (uncredited)
Goran Višnjić Soto (voice)
Mike Thurmeier Additional Writing
Chris Meledandri Executive Producer
Chris Wedge Director, Dodo / Scrat (voice)
Josh Hamilton Dodo / Aardvark (voice)
Joshua West Animation
Gary Burritt Negative Cutter
Michael J. Wilson Screenplay, Story
Albert Gasser ADR Editor
Aaron Hartline Animation
Enrico Casarosa Storyboard Artist
Lewis Goldstein Sound Effects Editor
Doug Hemphill Sound Re-Recording Mixer
Paul Urmson Sound Effects Editor
David Newman Original Music Composer, Conductor
Joshua Winget Temp Music Editor
Darin De Paul Additional Voices (voice) (uncredited)
Kenton Jakub ADR Editor
Carlos Saldanha Co-Director
Jim Passon Color Timer
Tim Nordquist Associate Editor
John Carnochan Editor
Bill Talbott Sound Engineer
Peter Ackerman Screenplay, Dodo / Freaky Mammal (voice)
Craig Berkey Sound Effects Editor
Derek Casari ADR Engineer
Bruce Winant ADR Voice Casting
Marko Costanzo Foley Artist
Paul Massey Sound Re-Recording Mixer
Sean Garnhart Sound Designer, Supervising Sound Editor
Bill Orrico First Assistant Sound Editor
Patrick Pinney Various Mammals (uncredited)
George A. Lara Foley Mixer
Peter de Sève Character Designer
John C. Donkin Associate Producer
Mitzi McCall Glyptodon (voice)
Everett Downing Jr. Animation
Denny Dillon Glyptodon (voice)
Gregory Jamrok Orchestrator
Tim Gomillion Sound Recordist
Lorri Bagley Jennifer (voice)
Daisuke "Dice" Tsutsumi Matte Painter
Nick Craven Animation
James Palumbo Assistant Editor
Michael Berg Screenplay
Rodrigo Blaas Animation
Moroni Taylor Storyboard Artist
Anthony Nisi Assistant Production Manager
Andreas Procopiou Animation
Jeff Siergey Additional Writing
Kevin O'Brien Storyboard Artist
James Bresnahan Additional Writing, Lead Animator
Meg Morman Casting Associate
Nico Abondolo Musician
Marissa Littlefield ADR Editor
Shayna Brown ADR Recordist
Rachel Tiep-Daniels Modeling