Operation: R.A.B.B.I.T. and the Other Episodes/The Simpsons

Codename: Kids Next Door/The Simpsons Parody Cast

 * Numbuh 2 as Homer
 * Numbuh 5 as Marge
 * Numbuh 1 as Bart
 * Henrietta Von Marzipan as Lisa
 * Numbuh 3 as Maggie
 * Numbuh 4 as Lenny
 * Mrs. Lincoln as Helen Lovejoy
 * Dr. Lincoln as Dr. Hibbert
 * Sidney as Martin Prince
 * Jessica as Alison Taylor
 * Heinrich Von Marzipan as Uter Zorker
 * Cree Lincoln as Edna Krabappel

Voice Cast In Codename: Kids Next Door/The Simpsons Parody

 * Dan Catellaneta - Numbuh 2
 * Julie Kavner - Numbuh 5
 * Nancy Cartwright - Numbuh 1 and Numbuh 3
 * Yeardley Smith - Henrietta Von Marzipan
 * Harry Shearer - Numbuh 4 and Dr. Lincoln
 * Maggie Roswell - Mrs. Lincoln
 * Winoda Ryder - Jessica
 * Pamela Hayden - Jessica
 * Russi Taylor - Sidney and Heinrich Von Marzipan
 * Marcia Wallace - Cree Lincoln

Thomas/South Park Parody Cast

 * Thomas as Stan Marsh
 * Diesel as Eric Cartman
 * Emily as Wendy Testaburger
 * James as Clyde Dovoman
 * Oliver as Craig Tucker

Voice Cast In Thomas/South Park Parody

 * Trey Parker - Thomas, Diesel and James
 * Matt Stone - Oliver
 * Isaac Hayes - Gordon
 * Mary Kay Bergman - Emily
 * Mona Marshall - Emily
 * Eliza Schneider - Emily
 * April Stewart - Emily