Special Guest Stars Kerry Washington voices Rayshelle Peyton Guest Stars Pamela Hayden voices Milhouse Van Houten Grey DeLisle Griffin voices Martin Prince Tress MacNeille voices Agnes Skinner Maggie Roswell voices Luanne Van Houten Chris Edgerly voices Additional Voices Kimberly Brooks voices Lewis Clark Kevin Michael Richardson voices Narrator Jonathan Lipow voices Wolf Luann Cesar Mazariegos voices Violencia Gigante Rapper