Patrick Warburton

Buzz Lightyear (voice)

Nicole Sullivan

Princess Mira Nova (voice)

Stephen Furst

Booster (voice)

Ryan Stiles

Spyro von Madman (voice)

Mark Hamill

Flint (voice)

Kelly McGillis

Gorgeous Woman (voice)

Wayne Knight

Emperor Zurg (voice)

Brad Garrett

Torque (voice)

Adam Carolla

Commander Nebula (voice)

Larry Miller

XR (voice)

Bobcat Goldthwait

XL (voice)

Jason Marsden

Flash Flemming (voice)

Barney Martin

Ambassador Major (voice)

Craig Ferguson

NOS-4-A2 (voice)

John O'Hurley

King Nova (voice)

Jon Favreau

Crumford Lorax (voice)

Linda Hamilton

Dr. Furbanna (voice)

Jonathan Harris

Era (voice)

Bill Mumy

Eon (voice)

Mitchell Whitfield

Klerm (voice)

Ed Asner

Fixer (voice)

Billy West

Voice (voice)

Tom Kane

Soldier / Tech (voice)

Peter MacNicol

Major (voice)

Joel Murray

Professor Triffid (voice)

Clyde Kusatsu

Warden Yung (voice)

French Stewart

Rentwhistle (voice)

Stephen Tobolowsky

Gil (voice)

David Warner

Lord Angstrom (voice)

Brian Doyle-Murray

Panchax (voice)

Harvey Korman

Gularis (voice)

Dawnn Lewis

Mary (voice)

David Alan Grier

Tubunch (voice)

Tony Jay

Dr. Animus (voice)

April Winchell

Pwerta (voice)

Dan Castellaneta

Hunter #1 / Hunter #2 / Lackey / Casey Kasemish DJ (voice)

Mary Kay Bergman

Alien Mom / Alien Kid (voice)

Conchata Ferrell

Ma (voice)

Corey Burton

Treevo (voice)

Jim Cummings

Senator Aarrfvox / Alien Dad (voice)

Fred Willard

Pa (voice)

Nikki Cox

Petra (voice)

Michael Showalter

Plasma Boy (voice)

Grey DeLisle

Mom (voice)

Joe Alaskey

Soda Vendbot / Newspaper Vendbot (voice)

Kath Soucie

Kids (voice)

Cree Summer

Savy SL2 (voice)

Neil Flynn

XR (voice)

Paul Rugg

Ed (voice)

Stephen Root

Sheriff (voice)

Roz Ryan

Madam President (voice)

Russi Taylor

Becky / Old Lady (voice)

Frank Welker

Brain Pod #39 (voice)

Jeff Bennett

Brain Pod #18 / Brain Pod #81 / Dreadnaught Computer (voice)

Tino Insana

Samsa (voice)

Phil LaMarr

Rocket Crocket / Smeego (voice)

Gary Owens

Opening Narration (voice) (uncredited)

Steve Hytner

Wirewolf / Ty (voice)

Jess Harnell

Bartender Heads / Gramps Munchapper / Bomb Vendor (voice)

Kerri Kenney

Gravatina (voice)

Nichelle Nichols

Chief (voice)

Charles Fleischer

Monumentus / Varko (voice)

Norm Crosby

Mr. Hayman (voice)

John Kassir

Evan Zarl / Snark / Zinko (voice)

David James Elliott

Romac (voice)

Diedrich Bader

Warp Darkmatter (voice)

Kevin Michael Richardson

Tremendor / Thug #3 / Behemor (voice)

Jeremy Piven

Brain Pod #57 (voice)

Charles Napier

Wild Bill Cooley (voice)

Ron Perlman

Leader (voice)

Bronson Pinchot

Shakey / Science (voice)

Rob Paulsen

Host (voice)

Tara Strong

Bonnie (voice)

Clancy Brown

Kleev / Sentry #2 (voice)

Mills Lane

Judge (voice)

Ricardo Montalban

Vartkes (voice)

Haley Joel Osment

Myka (voice)

Park Overall

Zoey / Female Ranger (voice)

Sam Gifaldi

Dyb (voice)

Tress MacNeille

Brain Pod #94 / Kids (voice)

Earl Boen

Nick (voice)

Eric Idle

Guzelian (voice)

Joy Behar

42 (voice)

Maurice LaMarche

Ambassador (voice)

Max Brooks

Tech #2 / Ranger #2 (voice)

Robert Picardo

Professor Reddschift (voice)

Roger Rose

Trucker / Tech #1 (voice)

Thomas F. Wilson

Buster (voice)

Wallace Langham

Care-bots (voice)