Charlie Sheen

Dex Dogtective (voice)

Hilary Duff

Sunshine Goodness (voice)

Eva Longoria

Lady X (voice)

Wayne Brady

Daredevil Dan (voice)

Christopher Lloyd

Mr. Clipboard (voice)

Chris Kattan

Polar Penguin (voice)

Larry Miller

Vlad Chocool (voice)

Ed Asner

Mr. Leonard (voice)

Jerry Stiller

General X (voice)

Martin Klebba

General X / Kaptain Krispy (voice)

Christine Baranski

Hedda Shopper (voice)

Lawrence Kasanoff

Cheasel T. Weasel (voice)

Harvey Fierstein

Fat Cat Burglar (voice)

Cloris Leachman

Brand X Lunch Lady (voice)

Haylie Duff

Sweet Cakes (voice)

Shelley Morrison

Lola Frutola (voice)

Edie McClurg

Mrs. Butterworth (voice)

Greg Ellis

Hairy Hold (voice)

James Arnold Taylor

Dr. Si Nustrix / Additonal Voices (voice)

Robert Costanzo

Maximilius Moose (voice) (as Bobby Constanza)