Jack Black Zeke (voice)
Denis Leary Diego (voice)
Jane Krakowski Rachel (voice)
Alan Tudyk Lenny / Freaky Mammal / Dab (voice)
John Leguizamo Sid (voice)
Cedric the Entertainer Carl (voice)
Stephen Root Frank / Start (voice)
Chris Wedge Director, Dodo / Scrat (voice)
Nico Abondolo Musician
Ray Romano Manny (voice)
David Silverman Story Consultant
Tara Strong Baby Start (voice)
Enrico Casarosa Storyboard Artist
Goran Višnjić Soto (voice)
Diedrich Bader Oscar (voice)
Chris Meledandri Executive Producer
Josh Hamilton Dodo / Aardvark (voice)
Jeff Siergey Additional Writing
Gary Burritt Negative Cutter
Tim Nordquist Associate Editor
Phil Proctor Various Mammals (uncredited)
Gregory Jamrok Orchestrator
Bill Talbott Sound Engineer
Darin De Paul Additional Voices (voice) (uncredited)
Patrick Pinney Various Mammals (uncredited)
Nicholas Renbeck ADR Editor
Sean Garnhart Sound Designer, Supervising Sound Editor
Dann Fink Dodo (voice) (uncredited)
David Newman Original Music Composer, Conductor
Michael Berg Screenplay
Marko Costanzo Foley Artist
Derek Casari ADR Engineer
Mitzi McCall Glyptodon (voice)
Denny Dillon Glyptodon (voice)
Jim Passon Color Timer
Lori Forte Producer
Marissa Littlefield ADR Editor
Carlos Saldanha Co-Director
John Carnochan Editor
Lorri Bagley Jennifer (voice)
Peter Ackerman Screenplay, Dodo / Freaky Mammal (voice)
Paul Massey Sound Re-Recording Mixer
Rodrigo Blaas Animation
Lewis Goldstein Sound Effects Editor
Moroni Taylor Storyboard Artist
Albert Gasser ADR Editor
Craig Berkey Sound Effects Editor
Peter DeSève Character Designer
Paul Urmson Sound Effects Editor
Michael J. Wilson Screenplay, Story
Nick Craven Animation
Mike Thurmeier Additional Writing
Kevin O'Brien Storyboard Artist
Bruce Winant ADR Voice Casting
Doug Hemphill Sound Re-Recording Mixer
Everett Downing Jr. Animation
James Bresnahan Additional Writing, Lead Animator
Meg Morman Casting Associate
Shayna Brown ADR Recordist
John Kurlander Scoring Mixer
Daisuke "Dice" Tsutsumi Matte Painter
Tim Gomillion Sound Recordist
Bill Orrico First Assistant Sound Editor
Kelly Kimball Additional Effects Development
John C. Donkin Associate Producer
Paul Ohrt Production Accountant
Philip A. Cruden Background Designer
Anthony Nisi Assistant Production Manager
George A. Lara Foley Mixer
Andreas Procopiou Animation
Frank Kern Foley Editor
Kendall McCarthy Post Production Supervisor