Sid (voice)
John Leguizamo
Scrat (voice)
Chris Wedge
Additional Voices (voice)
Élie Semoun
Whiny Beaver Boy (voice)
Shane Baumel
Smarty Pants Molehog Boy (voice)
Paul Butcher
Glyptodon Boy (voice)
Sean S. Cunningham
S'more (voice)
Karen Disher
Beaver Son (voice)
Khamani Griffin
Beaver Dad (voice)
John Hawkinson
Aardvark Girl Cindy (voice)
Feodor Lark
Start Girl Claire (voice)
Emily Osment
Animation
Paul Downs
Director
Executive Producer
Carlos Saldanha
Writer
Mike Reiss
Storyboard Artist
Moroni Taylor
Galen T. Chu
Producer
Lori Forte
Supervising Sound Editor
Al Nelson
Sound Re-Recording Mixer
Lora Hirschberg
Jon Vitti
Schedule Coordinator
Tansal Arnas
Editor
Erin Crackel
John C. Donkin
Original Music Composer
Michael A. Levine