South Park: The End of Obesity

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Stan Marsh / Eric Cartman (voice)

Matt Stone

Kyle Broflovski / Kenny McCormick / Butters Stotch / Gerald Broflovski (voice)

April Stewart

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

Mona Marshall

Sheila Broflovski / Mrs. Tweak / Linda Stotch (voice)

Kimberly Brooks

Laura Tucker / Linda Black (voice)

Jessica Makinson

Additional Voices (voice)

Vernon Chatman

Towelie (voice)

Jennifer Howell

Additional Voices (voice)

Feraz Ozel Ellahie

Additional Voices (voice)

Betty Boogie Parker

Additional Voices (voice)

Abdullah Saeed

Additional Voices (voice)

Kyle Richards

Self (archive footage) (uncredited)

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Self (archive footage) (uncredited)