John Leguizamo Sid (voice)
Jennifer Lopez Shira (voice)
Simon Pegg Buck (voice)
Frank Welker Dino Birds Roars (voice) (uncredited)
Keke Palmer Peaches (voice)
Nick Offerman Gavin (voice)
Denis Leary Diego (voice)
Adam Devine Julian (voice)
Stephanie Beatriz Gertie (voice)
Seann William Scott Crash (voice)
Queen Latifah Ellie (voice)
Melissa Rauch Francine (voice)
Max Greenfield Roger (voice)
Ray Romano Manny (voice)
Carlos Ponce Mariachi Beaver (voice)
Wanda Sykes Granny (voice)
Chris Wedge Executive Producer, Scrat (voice)
Josh Peck Eddie (voice)
Lilly Singh Bubbles and Misty (voice)
Jesse Tyler Ferguson Shangri Llama (voice)
Neil deGrasse Tyson Neil deBuck Weasel (voice)
Carlos Saldanha Executive Producer
Peter Ackerman Characters
Rif Hutton Additional Voices (voice)
Michael J. Wilson Screenplay
Jessie J Songs, Brooke (voice)
John Debney Original Music Composer
Moosie Drier Additional Voices (voice)
Randy Thom Supervising Sound Editor, Sound Designer, Hyrax Minister (voice), Sound Re-Recording Mixer
Michael Strahan Teddy (voice)
Lora Hirschberg Sound Re-Recording Mixer
Ashley Peldon Additional Voices (voice)
E.J. Holowicki Sound Effects Editor
Michael Berg Screenplay
Yoni Brenner Screenplay
Mike Thurmeier Gravedigger Beaver / Party Molehog (voice), Director
Ruth Zalduondo Additional Voices (voice)
Chris Manning Foley Mixer
Edie Mirman Additional Voices (voice)
Galen T. Chu Co-Director
Lori Forte Producer
Jana Vance Foley Artist
Dennie Thorpe Foley Artist
Mo Henry Negative Cutter
Gary Summers Additional Sound Re-Recording Mixer
Holly Dorff Additional Voices (voice)
Jeff Carson Music Editor
Byron Thames Additional Voices (voice)
David Lucarelli ADR Recordist
Natasha Leonnet Digital Intermediate Colorist
Hope Levy Additional Voices (voice)
Jeremy Molod Foley Editor
Michael Silvers Supervising Sound Editor
Kevin Kaska Orchestrator
Jason Fricchione Additional Voices (voice)
Holly Sedillos Vocals
Brad Semenoff ADR Supervisor
John Houlihan Music Supervisor
Jeremy Bowker Sound Designer
Jackie Gonneau Additional Voices (voice)
Christian Kaplan Casting
Danielle Dupre Sound Re-Recording Assistant
Juan Pope Additional Voices (voice)
Aubrey Solomon Story
Leff Lefferts Additional Sound Re-Recording Mixer
David Zyler Additional Voices (voice)
Jim Harrison Music Editor
Paul Downs Animation
Tansal Arnas Production Supervisor
Moroni Taylor Storyboard Artist
Shaun Farley Sound Effects Editor
Robert Shoup Foley Supervisor