Jack Black Zeke (voice)
John Leguizamo Sid (voice)
Diedrich Bader Oscar (voice)
Denis Leary Diego (voice)
Jane Krakowski Rachel (voice)
Alan Tudyk Lenny / Freaky Mammal / Dab (voice)
Cedric the Entertainer Carl (voice)
Galen T. Chu Additional Writing, Animation
Tara Strong Baby Start (voice)
Ray Romano Manny (voice)
Stephen Root Frank / Start (voice)
Lori Forte Producer
David Silverman Story Consultant
Phil Proctor Various Mammals (uncredited)
Goran Višnjić Soto (voice)
Mike Thurmeier Additional Writing
Josh Hamilton Dodo / Aardvark (voice)
Chris Wedge Director, Dodo / Scrat (voice)
Albert Gasser ADR Editor
Everett Downing Jr. Animation
Dann Fink Dodo (voice) (uncredited)
Joshua Winget Temp Music Editor
Darin De Paul Additional Voices (voice) (uncredited)
Bruce Winant ADR Voice Casting
Carlos Saldanha Co-Director
Chris Meledandri Executive Producer
Paul Urmson Sound Effects Editor
Tim Nordquist Associate Editor
Doug Hemphill Sound Re-Recording Mixer
Bill Talbott Sound Engineer
Peter Ackerman Screenplay, Dodo / Freaky Mammal (voice)
Jim Passon Color Timer
Marko Costanzo Foley Artist
Derek Casari ADR Engineer
Sean Garnhart Sound Designer, Supervising Sound Editor
Paul Massey Sound Re-Recording Mixer
Bill Orrico First Assistant Sound Editor
Patrick Pinney Various Mammals (uncredited)
Enrico Casarosa Storyboard Artist
Frank Kern Foley Editor
Craig Berkey Sound Effects Editor
David Newman Original Music Composer, Conductor
Peter de Sève Character Designer
George A. Lara Foley Mixer
John C. Donkin Associate Producer
Marissa Littlefield ADR Editor
Mitzi McCall Glyptodon (voice)
Denny Dillon Glyptodon (voice)
Kenton Jakub ADR Editor
Gary Burritt Negative Cutter
Lewis Goldstein Sound Effects Editor
Tim Gomillion Sound Recordist
John Carnochan Editor
Lorri Bagley Jennifer (voice)
Daisuke "Dice" Tsutsumi Matte Painter
Rachel Tiep-Daniels Modeling
Nick Craven Animation
James Palumbo Assistant Editor
Aaron Hartline Animation
Michael Berg Screenplay
Rodrigo Blaas Animation
David Torres Animation
Michael J. Wilson Screenplay, Story
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
James Gettinger Lighting Technician
Meg Morman Casting Associate
Nico Abondolo Musician