Trey Parker as Stan Marsh / Eric Cartman (voice)

Matt Stone as Kyle Broflovski / Kenny McCormick / Butters Stotch / Gerald Broflovski (voice)

April Stewart as Wendy Testaburger / Sharon Marsh / Shelley Marsh / Liane Cartman / Alexis Testaburger (voice)

Mona Marshall as Sheila Broflovski / Mrs. Tweak / Linda Stotch (voice)

Kimberly Brooks as Laura Tucker / Linda Black (voice)

Jessica Makinson as Additional Voices (voice)

Vernon Chatman as Towelie (voice)

Jennifer Howell as Additional Voices (voice)

Feraz Ozel Ellahie as Additional Voices (voice)

Betty Boogie Parker as Additional Voices (voice)

Abdullah Saeed as Additional Voices (voice)

Kyle Richards as Self (archive footage) (uncredited)

Oprah Winfrey as Self (archive footage) (uncredited)