On screen
Cast
48 credited performers
Kathleen Wilhoite
Pepper Ann (voice)
Danny Cooksey
Milo (voice)
Clea Lewis
Nicky (voice)
April Winchell
Mom (voice)
Pamela Adlon
Moose (voice)
Jeff Bennett
Craig Bean / Ned Diggity / Grandpa Leo (voice)
Kath Soucie
Mean Girl (voice)
Candi Milo
Rose (voice)
Jenna Von Oÿ
Trinket (voice)
Tino Insana
Uncle Jojo / Earl (voice)
Susan Tolsky
Aunt Janie (voice)
Cree Summer
Crying Girl (voice)
Alex Trebek
Character not listed
Paddi Edwards
Vera Groober-Schwartz (voice)
Don Lake
Mr. Sherman Finky / Butler (voice)
Don Adams
Principal Herbert Hickey (voice)
Jess Harnell
Character not listed
Mark Hamill
Character not listed
Kathy Najimy
Coach Doogan (voice)
Tara Strong
Character not listed
Jim Cummings
Mr. Roland Carter (voice)
Kenn Michael
Lamar Abudabe (voice)
Maurice LaMarche
Chuck Pearson / Menorah / Colonel Delaney (voice)
Jodi Benson
Character not listed
Isabel Sanford
Bernice (voice)
Hedy Burress
Effie Shrugg (voice)
Bebe Neuwirth
Ms. Bladdar (voice)
Hadley Kay
Character not listed
Lauren Tom
Character not listed
Nicole Sullivan
Tundra Woman (voice)
Evel Knievel
Character not listed
Jason Marsden
Prep School Guy (voice)
Wallace Langham
Wayne Macabre (voice; uncredited)
Shaun Fleming
Cookie (voice)
Max Brooks
Worried Executive #1 (voice)
Phil LaMarr
Stubborn Executive / Hippie Guy (voice)
Cam Clarke
Stewart Walldinger (voice)
Sue Rose
Moira (voice)
Luke Perry
Stewart Walldinger (voice)
Kimmy Robertson
Gwen Mezzrow (voice)
Max Casella
Additional Voices (voice)
Julia Sweeney
Ms. Sneed (voice)
Karen Duffy
Sketch (voice)
Meredith Scott Lynn
Poison (voice)
Brittany Murphy
Tank (voice)
Julia Duffy
Aunt Fanny (voice)
Ryan O'Donohue
Damian (voice)
Francesca Marie Smith
Damiana (voice)