Special Guest Stars Chris Redd voices Trevor McBride Guest Stars Pamela Hayden voices Milhouse Van Houten Alex Désert voices Officer Lou Grey DeLisle Griffin voices Martin Prince Tress MacNeille voices Shauna Chalmers Kevin Michael Richardson voices Mr. Orlando Kevin Michael Richardson voices Brian McBride Dawnn Lewis voices Mrs. McBride Tress MacNeille voices Clarinet Player #1 Tress MacNeille voices Party Girl Tress MacNeille voices Instrumental Crowd Grey DeLisle Griffin voices Martin Prince's Brother Chris Edgerly voices Woodwinds Player #2 Pamela Hayden voices Woodwinds Player #1 Pamela Hayden voices Instrumental Crowd Jenny Yokobori voices Band Student