Guest Stars Trey Parker voices Randy Marsh Trey Parker voices Mr. Garrison Mary Kay Bergman voices Sharon Marsh Matt Stone voices Gerald Broflovski Mary Kay Bergman voices Sheila Broflovski Mary Kay Bergman voices Liane Cartman Isaac Hayes voices Chef Mary Kay Bergman voices Shelley Marsh Matt Stone voices Stuart McCormick Mary Kay Bergman voices Carol McCormick Matt Stone voices Terrance Trey Parker voices Phillip Trey Parker voices Dr. Doctor Trey Parker voices Kevin McCormick