Casting South Park
S04E15 Camp de régime

Trey Parker
Chad's Father / Horace's Mother / Johnny Knoxville / The Krazy Kenny Show Host / Cartman's Double /

Isaac Hayes
Chef

Matt Stone
Horace's Father / Tom Green / Howard Stern / Krazy Kenny Commercial / Teenager #1 / Man in Audience

Eliza Schneider
Alice / Carol McCormick / Mrs. Crabtree / Susan / Fat Girl #1 / Principal Victoria / Liane Cartman /

Jennifer Howell
Bebe Stevens

Omaira Coromoto Rivero
Sharon Marsh (Spanish Dubbing)