The Earth Day Special

Dan Aykroyd

Vic's Buddy

Candice Bergen

Murphy Brown

James Brolin

Doctor

Downtown Julie Brown

Self

Jeff Bergman

Bugs Bunny / Porky Pig / Tweety (voice)

Chevy Chase

Vic's Buddy

Kevin Costner

Bartender

Rodney Dangerfield

Vinny Boombatz

Geena Davis

Kim

Dana Delany

Doctor