Joey King Beaver Girl (voice)
Simon Pegg Buck (voice)
Frank Welker Momma Dino / Rudy (voice) (uncredited)
John Leguizamo Sid (voice)
Denis Leary Diego (voice)
Kristen Wiig Pudgy Beaver Mom (voice)
Seann William Scott Crash (voice)
Bill Hader Gazelle (voice)
Queen Latifah Ellie (voice), Songs
Scott C. Lemmer Animation
Jane Lynch Diatryma Mom (voice)
Gwendolyn Yates Whittle Supervising Sound Editor
Ray Romano Manny (voice)
Shawn Murphy Scoring Mixer
Randy Thom Sound Designer, Sound Re-Recording Mixer
Yoni Brenner Screenplay
E. Larry Oatfield Foley Editor
Selenis Leyva Additional Voice (voice)
Josh Peck Eddie (voice)
Sue Fox Foley Editor
Peter de Sève Character Designer
Michael J. Wilson Characters
Denis St. Amand Score Engineer
Devika Parikh Additional Voice (voice)
Amanda Deering Jones Editorial Coordinator
David H. Kramer ADR Voice Casting, Additional Voice (voice)
Carlos Saldanha Dinosaur Babies / Flightless Bird (voice), Director
Kathy Graves Toon Assistant Editor
Dennie Thorpe Foley
Chris Wedge Scrat (voice), Executive Producer
John Powell Original Music Composer
Mike Reiss Screenplay
Maile Flanagan Aardvark Mom (voice)
Jana Vance Foley
Lora Hirschberg Sound Re-Recording Mixer
Jason Fricchione Adult Molehog Male (voice), Editorial Manager
David McCharen Additional Voice (voice)
June Christopher Additional Voice (voice)
Peter Ackerman Screenplay
John C. Donkin Producer
Philip Rogers ADR & Dubbing
George Doering Musician
Matt Adler Additional Voice (voice)
Eric Bradley Musician
Pete Anthony Orchestrator
John Ashton Thomas Orchestrator
Cheryl Nardi Dialogue Editor
Holly Dorff ADR Voice Casting, Additional Voice (voice)
Bea Miller Additional Voice / ADR Group (voice)
Pamala Tyson Additional Voice (voice)
Clea Lewis Start Mom (voice)
Richard Hymns ADR Editor
Steve Alterman Additional Voice (voice)
Tom Carlson Music Editor
Mike Thurmeier Co-Director
Lori Forte Producer
Paul Downs Animation
Kelly Keaton Molehog Mom / Shovelmouth Mom (voice)
Moroni Taylor Storyboard Artist
Robert Huth Animation
Nicole Ehinger Additional Voice (voice)
Fletcher Sheridan Playback Singer
Conrad Pope Orchestrator
Michael Berg Screenplay
Marshall Winn ADR Editor
Kyrsten Mate Sound Effects Editor
James Palumbo Co-Editor
Harrison Fahn Glypto Boy (voice)
Harry Hitner Editor
Randy Kerber Orchestrator
Dave Metzger Orchestrator
Chris Regan Color Timer