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