'Weird Al' Yankovic

Self

Barry Hansen

Self (Dr. Demento)

Dick Clark

Self

Art Fleming

Self / "Jeopardy!" Host

Don Pardo

Self / "Jeopardy!" Announcer

Greg Kihn

Self / Man in Convertible

Wally Burns

Mr. Cafarella

Tress MacNeille

Francine / Lucy Ricardo

Frank Collison

Look-A-Like Salesman