John Leguizamo
Sid (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)