Joey King Beaver Girl (voice)
Simon Pegg Buck (voice)
John Leguizamo Sid (voice)
Denis Leary Diego (voice)
Bill Hader Gazelle (voice)
Seann William Scott Crash (voice)
Kristen Wiig Pudgy Beaver Mom (voice)
Frank Welker Momma Dino / Rudy (voice) (uncredited)
Queen Latifah Ellie (voice), Songs
Jane Lynch Diatryma Mom (voice)
Ray Romano Manny (voice)
Josh Peck Eddie (voice)
Clea Lewis Start Mom (voice)
Mike Reiss Screenplay
Selenis Leyva Additional Voice (voice)
Randy Thom Sound Designer, Sound Re-Recording Mixer
Chris Renaud Additional Storyboarding
Adam Van Wyk Additional Storyboarding
Maile Flanagan Aardvark Mom (voice)
Eric Favela Storyboard Artist
Johnathan Tchaikovsky Additional Voice (voice)
Peter Ackerman Screenplay
Karen Disher Scratte (voice), Storyboard Artist
Chris Wedge Scrat (voice), Executive Producer
Lora Hirschberg Sound Re-Recording Mixer
David McCharen Additional Voice (voice)
Bea Miller Additional Voice / ADR Group (voice)
Carlos Saldanha Dinosaur Babies / Flightless Bird (voice), Director
Matt Adler Additional Voice (voice)
Dennie Thorpe Foley
Gwendolyn Yates Whittle Supervising Sound Editor
Yoni Brenner Screenplay
John Powell Original Music Composer
John Donkin Producer
Steve Alterman Additional Voice (voice)
Galen T. Chu Animation Supervisor
Peter de Sève Character Designer
Pamala Tyson Additional Voice (voice)
Fletcher Sheridan Playback Singer
Jeff Biancalana Storyboard Artist
Chris Regan Color Timer
Jana Vance Foley
Claudia Besso Additional Voice (voice)
Devika Parikh Additional Voice (voice)
Michael Thurmeier Co-Director
Richard Hymns ADR Editor
Sue Fox Foley Editor
Jason Fricchione Adult Molehog Male (voice), Editorial Manager
June Christopher Additional Voice (voice)
Michael Berg Screenplay
Eric Bradley Musician
Kelly Keaton Molehog Mom / Shovelmouth Mom (voice)
Nathan Engelhardt Animation
Brian Menz Animation
David H. Kramer ADR Voice Casting, Additional Voice (voice)
Jason Carter Eaton Story
Harrison Fahn Glypto Boy (voice)
John Ashton Thomas Orchestrator
Wesley Mandell Lighting Artist
Michael Knapp Art Direction
George Doering Musician
Conrad Pope Orchestrator
Pete Anthony Orchestrator
Marshall Winn ADR Editor
Mark Kenna Dolby Consultant
Philip Rogers ADR & Dubbing
Paul Downs Animation
Kyrsten Mate Sound Effects Editor
Shawn Murphy Scoring Mixer
Holly Dorff ADR Voice Casting, Additional Voice (voice)
Jason Taylor Animation
Ryan Hobbiebrunken Animation