Christopher Lloyd Mr. Clipboard (voice)
Christine Baranski Hedda Shopper (voice)
Charlie Sheen Dex Dogtective (voice)
Cloris Leachman Brand X Lunch Lady (voice)
Jeff Bennett Lieutenant X/Additional Voices (voice)
Bob Bergen Additional Voices (voice)
Daniel Bernhardt Additional Voices (voice)
Eva Longoria Lady X (voice)
Ed Asner Mr. Leonard (voice)
Craig Paulsen Editor
Haylie Duff Sweet Cakes (voice)
Larry Miller Vlad Chocool (voice)
Jerry Stiller General X (voice)
Edie McClurg Mrs. Butterworth (voice)
Hilary Duff Sunshine Goodness (voice)
Shelley Morrison Lola Frutola (voice)
Harvey Fierstein Fat Cat Burglar (voice)
Robert Costanzo Maximilius Moose (voice) (as Bobby Constanza)
Susan Silo Additional Voices (voice)
Wayne Brady Daredevil Dan (voice)
Martin Klebba General X / Kaptain Krispy (voice)
Jeff Bergman Charlie Tuna (voice)
Stephen Stanton Mr. Clean / Lord Flushington / Additional Voices (voice)
Greg Ellis Hairy Hold (voice)
James Arnold Taylor Dr. Si Nustrix / Additonal Voices (voice)
Lawrence Kasanoff Director, Story, Cheasel T. Weasel (voice), Producer, Writer
Daniel Franzese Twinkleton (voice)
John Bloom Additonal Voices (voice)
Eliza Schneider Sweet Older Lady (voice)
Chris Kattan Polar Penguin (voice)
Sean Catherine Derek Writer, Toddler's Mom (voice)
Enn Reitel Kung Tofu / Fracois Fromage (voice)
Melissa Disney Additional Voices (voice)
Jason Harris Hairles Hamster Henchman (voice)
Jonathan A. Carlson Production Design
Joshua Wexler Story, Producer, Hairless Hamster Henchman (voice)
Walter Murphy Original Music Composer
Tom Ortenberg Executive Producer
Robert Engelman Producer
Sean Rourke Editor
Jimmy Ienner Executive Producer
Robin Klein Casting
Greg Eagles Hairless Hamster Henchman (voice)
Eli James Wungo Wasabi (voice)
Heidi Klein Casting
Brent V. Friedman Writer
Andrew Ortenberg Ike Kid #3 (voice)
George Johnsen Producer, Kaptain Krispy / Hairless Hamster Henchman (voice)
Rebecca Swanson Writer
Ann Hoyt Editor
Jennifer Keith Ike Kid #4 / Additional Voices (voice)
Jason Ortenberg Ike Kid #1 (voice)
Robert D. Cain Executive Producer
Ray Mupas Editor
Karen Gallo Messore Blue (voice)
Susan Carter Hall Art Direction
Zachary Liebrich-Johnsen Ike Kid #2 (voice)