Matthew Schofield, Mike B. Anderson
Dan Castellaneta (Grampa Simpson / Homer Simpson), Julie Kavner (Marge Simpson), Nancy Cartwright (Ralph Wiggum / Nelson Muntz / Bart Simpson), Yeardley Smith (Lisa Simpson), Hank Azaria (Delbert Fornby / Carl Carlson / Moe Szyslak), Harry Shearer (Mr. Burns / Otto Mann / Lenny Leonard / Principal Seymour Skinner), Werner Herzog (Walter Hotenhoffer), Kevin Michael Richardson (Retirement Castle orderly), Pamela Hayden (Milhouse Van Houten), Tress MacNeille (Crazy Cat Lady / Flight Attendent / Mrs. Fornby / Agnes Skinner)