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