All Cast

Neil deGrasse Tyson

Neil deGrasse Tyson

Narrator

Chris Wedge

Chris Wedge

Scrat (voice)

Karen Disher

Karen Disher

Scratazons (voice)

John Leguizamo

John Leguizamo

Sid (voice, uncredited)

Jennifer Lopez

Jennifer Lopez

Shira (voice, uncredited)

Simon Pegg

Simon Pegg

Buck (voice, uncredited)

Ray Romano

Ray Romano

Manny (voice, uncredited)

Adam Devine

Adam Devine

Julian (voice, uncredited)