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