Rob Corddry
Gary Supernova (voice)
Brendan Fraser
Scorch Supernova (voice)
Jessica Alba
Lena (voice)
Steve Zahn
Hawk (voice)
Sarah Jessica Parker
Kira Supernova (voice)
Ricky Gervais
Mr Bing (voice)
Gregg Binkley
Ralph (voice) (uncredited)
Sofía Vergara
Gabby (voice)
Kaitlin Olson
3D Movie Girl (voice)
Ashley Eckstein
Alien (voice)
Craig Robinson
Doc (voice)
Jane Lynch
Io (voice)
George Lopez
Thurman (voice)
Jonathan Morgan Heit
Kip Supernova (voice)
Chris Parnell
Hammer (voice)
William Shatner
General Shanker (voice)
Bob Bergen
3D Movie Guy (voice)
Joshua Rush
Young Shanker (voice)
Doug Abrahams
Hazmat / Baabian Citizen (voice)
Sean Kenin
Radio Host (voice)
Bill Hader
Announcer (voice) (uncredited)
