John Leguizamo

Sid (voice)

Chris Wedge

Scrat (voice)

Shane Baumel

Whiny Beaver Boy (voice)

Paul Butcher

Smarty Pants Molehog Boy (voice)

Sean S. Cunningham

Glyptodon Boy (voice)

Karen Disher

S'more (voice)

Khamani Griffin

Beaver Son (voice)

John Hawkinson

Beaver Dad (voice)

Feodor Lark

Aardvark Girl Cindy (voice)

Emily Osment

Start Girl Claire (voice)

Élie Semoun

Additional Voices (voice)