John Leguizamo Sid (voice)
Denis Leary Diego (voice)
Ariel Winter Additional Voices (voice)
Stephen Root Aardvark Dad (voice)
Alan Tudyk Cholly (voice)
Will Arnett Lone Gunslinger Vulture (voice)
Seann William Scott Crash (voice)
Queen Latifah Ellie (voice)
Bob Bergen Additional Voices (voice)
Mindy Sterling Female Ox (voice)
Ray Romano Manny (voice)
Josh Peck Eddie (voice)
Jay Leno Fast Tony (voice)
Craig Paulsen Associate Editor
Joseph Bologna Mr. Start (voice)
Clea Lewis Female Mini Sloth (voice)
James Sie Freaky Male (voice)
Renée Taylor Mrs. Start (voice)
Laura Marano Additional Voices (voice)
Laraine Newman Additional Voices (voice)
Bill Farmer Additional Voices (voice)
Paul Butcher Additional Voices (voice)
Rodger Bumpass Additional Voices (voice)
Madeleine Martin Additional Voices (voice)
Jack Angel Additional Voices (voice)
Jansen Panettiere Shovelmouth Boy (voice)
Jess Harnell Additional Voices (voice)
Debi Derryberry Diatryma Mom (voice)
Mickie McGowan Additional Voices (voice)
Jon Vitti Story Consultant
Randy Thom Supervising Sound Editor, Sound Designer, Sound Mixer
Chris Renaud Story Artist
Adam Van Wyk Additional Storyboarding
Brett Hoffman Story Coordinator, Script Coordinator
Danny Mann Additional Voices (voice)
Jim Passon Color Timer
Peter Ackerman Dung Beetle Dad (voice)
Karen Disher Story Artist
Chris Wedge Executive Producer, Scrat (voice)
John Cygan Additional Voices (voice)
Lora Hirschberg Sound Mixer
Derek Casari ADR Engineer
Natasha Leonnet Digital Intermediate
Zack Shada Additional Voices (voice)
Jan Rabson Additional Voices (voice)
Chris Meledandri Executive Producer
Gerry Swallow Screenplay, Story
Carlos Saldanha Dodo (voice), Director
Jennifer Darling Additional Voices (voice)
Ellen Heuer Foley Artist
James Thatcher Musician
Dennie Thorpe Foley
Al Nelson Sound Effects Editor
Gary Burritt Negative Cutter
Crispin Freeman Additional Voices (voice)
Gwendolyn Yates Whittle Supervising ADR Editor, Supervising Sound Editor
Brandon Proctor Sound Mix Technician
Jim Hecht Screenplay
John Powell Original Music Composer
Sherry Lynn Additional Voices (voice)
Chris Scarabosio Sound Mixer
Galen T. Chu Animation Supervisor
Peter de Sève Character Designer, Condor Chick (voice)
Jana Vance Foley
Claudia Besso Additional Voices (voice)
Frank Rinella Foley Mixer
Marshall Efron Start Dad (voice)
Nick Bruno Animation
Thomas Sharkey Additional Voices (voice)
Michael Thurmeier Visual Effects, Supervising Animator
Will Files Assistant Sound Designer
Bruce Fowler Orchestrator