Publicidad
Neil deGrasse Tyson
Narrator
Chris Wedge
Scrat (voice)
Karen Disher
Scratazons (voice)
John Leguizamo
Sid (voice, uncredited)
Adam Devine
Julian (voice, uncredited)
Ray Romano
Manny (voice, uncredited)
Jennifer Lopez
Shira (voice, uncredited)
Simon Pegg
Buck (voice, uncredited)
