Special Guest Stars Rob Lowe voices Cousin Peter Guest Stars Pamela Hayden voices Milhouse Van Houten Tress MacNeille voices Agnes Skinner Pamela Hayden voices Rod Flanders Grey DeLisle Griffin voices Sherri Grey DeLisle Griffin voices Terri Kimberly Brooks voices Lewis Clark Tress MacNeille voices Mrs. Muntz Pamela Hayden voices Miss Springfield Tress MacNeille voices Steak Cake or Fake Contestant Chris Edgerly voices Townsperson