Trey Parker Stan Marsh, Eric Cartman, Dr. Spookalot, Officer Barbrady, Mr. Garrison, Randy Marsh Voice, Director, Writer Matt Stone Kyle Broflovski, Kenny McCormick, Jimbo Kern, Priest Maxi, Gerald Broflovski, Nibblet Voice Mary Kay Bergman Liane Cartman, Sheila Broflovski, Sharon Marsh Guest Voice Rochelle Leffler 5th Grader Guest Voice Isaac Hayes Chef Guest Voice Jonathan Davis Himself Guest Voice Fieldy Himself Guest Voice James 'Munky' Shaffer Himself Guest Voice David Silveria Himself Guest Voice Brian "Head" Welch Himself Guest Voice