Charlie Sheen
Dex Dogtective
Wayne Brady
Daredevil Dan
Hilary Duff
Sunshine Goodness
Christopher Lloyd
Mr. Clipboard
Chris Kattan
Polar Penguin
Martin Klebba
General X / Kaptain Krispy
Daniel Franzese
Twinkleton
Larry Miller
Vlad Chocool
Christine Baranski
Hedda Shopper
Cloris Leachman
Brand X Lunch Lady
Edie McClurg
Mrs. Butterworth
Sean Catherine Derek
Toddler's Mom
Jason Harris
Hairles Hamster Henchman (voice)
Greg Eagles
Hairless Hamster Henchman (voice)
Lawrence Kasanoff
Cheasel T. Weasel
Jeff Bennett
Lieutenant X/Additional Voices (voice)
Bob Bergen
Additional Voices (voice)
Harvey Fierstein
Fat Cat Burglar
James Arnold Taylor
Dr. Si Nustrix / Additonal Voices (voice)
Robert Costanzo
Maximilius Moose (voice) (as Bobby Constanza)
Jeff Bennett
Lieutenant X / Additional Voices (voice) (as Jeff Glen Bennett)
Stephen Stanton
Mr. Clean / Lord Flushington / Additional Voices (voice)
Jeff Bergman
Charlie Tuna (voice)