Denis Leary Diego (voice)
Will Arnett Lone Gunslinger Vulture (voice)
Renée Taylor Mrs. Start (voice)
Queen Latifah Ellie (voice)
Bill Farmer Additional Voices (voice)
Alan Tudyk Cholly (voice)
Chris Wedge Scrat (voice), Executive Producer
Stephen Root Aardvark Dad (voice)
Ariel Winter Additional Voices (voice)
Ray Romano Manny (voice)
Seann William Scott Crash (voice)
Christian Kaplan Casting
Jay Leno Fast Tony (voice)
Bruce Fowler Orchestrator
John Powell Original Music Composer
John Leguizamo Sid (voice)
Randy Kerber Orchestrator
Madeleine Martin Additional Voices (voice)
Laura Marano Additional Voices (voice)
Zack Shada Additional Voices (voice)
George Jacobs Beaver Dad (voice)
Mindy Sterling Female Ox (voice)
James Sie Freaky Male (voice)
Bob Camp Story Artist
Tom Carlson Music Editor
Douglas Murray Supervising Sound Editor
Jack Angel Additional Voices (voice)
Brandon Proctor Sound Mix Technician
Danny Mann Additional Voices (voice)
Bob Bergen Additional Voices (voice)
Laraine Newman Additional Voices (voice)
Tim Nordquist Co-Editor
Jess Harnell Additional Voices (voice)
Moroni Taylor Storyboard Artist
Josh Peck Eddie (voice)
Jason Fricchione Molehog Grandpa / Shovelmouth Male (voice), Assistant Production Manager
Arun Ram-Mohan Lighting Artist
Clea Lewis Female Mini Sloth (voice)
Paul Downs Animation
Debi Derryberry Diatryma Mom (voice)
Natasha Leonnet Digital Intermediate
Mickie McGowan Additional Voices (voice)
Bruce Anderson Production Manager
Jennifer Darling Additional Voices (voice)
Rodger Bumpass Additional Voices (voice)
Will Files Assistant Sound Designer
Ellen Heuer Foley Artist
Marshall Efron Start Dad (voice)
Stephen L. Wong Animation
Paul Butcher Additional Voices (voice)
Thomas Cardone Art Direction
Randy Thom Sound Mixer, Sound Designer, Supervising Sound Editor
Jan Rabson Additional Voices (voice)
David Esneault Lighting Supervisor
Joseph Bologna Mr. Start (voice)
Lora Hirschberg Sound Mixer
Chris Meledandri Executive Producer
John Cygan Additional Voices (voice)
Sherry Lynn Additional Voices (voice)
Jansen Panettiere Shovelmouth Boy (voice)
Marshall Winn ADR Editor
Shawn Murphy Scoring Mixer
David Acord Assistant Sound Editor
Troy Porter ADR Mixer
Dennie Thorpe Foley
Shane Baumel Additional Voices (voice)
Pete Anthony Conductor
Crispin Freeman Additional Voices (voice)
Sue Fox Foley Editor
Gwendolyn Yates Whittle Supervising Sound Editor, Supervising ADR Editor
Michael Knapp Visual Development
Derek Casari ADR Engineer