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