Tim Allen
Buzz Lightyear (voice)
Nicole Sullivan
Mira Nova (voice)
Stephen Furst
Booster Muchapper (voice)
Larry Miller
XR (voice)
Adam Carolla
Commander Nebula (voice)
Patrick Warburton
Little Green Men (voice)
Wayne Knight
Evil Emperor Zurg (voice)
Diedrich Bader
Warp Darkmatter / Agent Z (voice)
Kevin Michael Richardson
Space Ranger (voice)
Charles Kimbrough
Brain Pod #29 / Rhizomian Man (voice)
Cindy Warden
Technician / Computer Voice
Frank Welker
Grubs / Self Destruct / Ranger #1 / Cadet Flam (voice)
Sean Hayes
Brain Pod #13 (voice)
Jennifer Bailey
Rhizomian Woman (voice)
Jim Hanks
Sheriff Woody (voice)
Wallace Shawn
Rex (voice)
Andrew Stanton
Hamm (voice)
R. Lee Ermey
Sarge (voice)
Joe Ranft
Wheezy (voice)
Jeff Pidgeon
Aliens (voice)