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)
Max Greenfield Roger (voice)
Adam Devine Julian (voice)
Keke Palmer Peaches (voice)
Nick Offerman Gavin (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)
Randy Thom Supervising Sound Editor, Sound Designer, Hyrax Minister (voice), Sound Re-Recording Mixer
Rif Hutton Additional Voices (voice)
David Lucarelli ADR Recordist
Ashley Peldon Additional Voices (voice)
Chris Wedge Executive Producer, Scrat (voice)
Moosie Drier Additional Voices (voice)
Lora Hirschberg Sound Re-Recording Mixer
Aubrey Solomon Story
Jessie J Songs, Brooke (voice)
Natasha Leonnet Digital Intermediate Colorist
Carlos Saldanha Executive Producer
Michael Strahan Teddy (voice)
Edie Mirman Additional Voices (voice)
Dennie Thorpe Foley Artist
John Debney Original Music Composer
Jorge Lucas Grandpa Molehog (voice)
Yoni Brenner Screenplay
Galen T. Chu Co-Director
Peter de Sève Character Designer
Juan Pope Additional Voices (voice)
Mo Henry Negative Cutter
Michael J. Wilson Screenplay
Jackie Gonneau Additional Voices (voice)
Byron Thames Additional Voices (voice)
Jana Vance Foley Artist
Michael Silvers Supervising Sound Editor
Andrew Dorfman Music Editor
Kevin Kaska Orchestrator
Gary Summers Additional Sound Re-Recording Mixer
Michael Thurmeier Gravedigger Beaver / Party Molehog (voice), Director
Jeremy Bowker Sound Designer
Robert Shoup Foley Supervisor
Paul Downs Animation
Shaun Farley Sound Effects Editor
Hope Levy Additional Voices (voice)
Terence Mathews Additional Voices (voice)
John Houlihan Music Supervisor
Michael Berg Screenplay
Jason Fricchione Additional Voices (voice)
Christian Kaplan Casting
Ruth Zalduondo Additional Voices (voice)
David Zyler Additional Voices (voice)
Holly Sedillos Vocals
Renato Falcão Director of Photography
Jeff Carson Music Editor
Connor Nagy ADR Recordist
Holly Dorff Additional Voices (voice)
Jeremy Molod Foley Editor
Matthew J. Munn Senior Animator
Erin Crackel Editor
Leff Lefferts Additional Sound Re-Recording Mixer
Moroni Taylor Storyboard Artist
Danielle Dupre Sound Re-Recording Assistant