Lunchlady Doris, Complaints Booth Clerk, Della, Ice-Cream Lady, Lurleen Lumpkin, Roxie, Shotgun Pete's Receptionist, Various, Waitress

Leonard Nimoy

Louie

Hugh Hefner

Candace, Hannah Horvath

Fat Tony, Fit Tony

Kara DioGuardi

Linda McCartney

Judd Apatow

Martha Stewart

Milhouse Van Houten, Jimbo Jones, Rod Flanders, Janey Powell, Sarah Wiggum, Additional Voices, Janey, Others, Boy, Dolph...

Prime Minister, Severus Snape

Leon Kompowsky

Virgil

Professor John Frink, Sr.

Francesca

Ned Flanders, Principal Skinner, Lenny, Kent Brockman, Dr. Hibbert, Mr. Burns, Waylon Smithers, Otto, Montgomery Burns, Reverend Lovejoy...

Dana Scully

Marge Simpson, Patty Bouvier, Selma Bouvier, Jacqueline Bouvier, Others, Jackie Bouvier, Actress as Marge, Angela Lansburry, Audience, Aunt Gladys...

Hugh St. John Alastair Parkfield

Ellen DeGeneres

The Great Raymondo

Manjula Nahasapeemapetilon

Himself

Cecil Terwilliger, Felix

Rupert Murdoch

Himself

Herself

Happy Little Elf, Rubber Baby Buggy Bumper Babysitting Service Receptionist

Charles Heathbar, Ricky Gervais

Lady Gaga