John Goodman
Rex (voice)
Blaze Berdahl
Buster (voice)
Rhea Perlman
Mother Bird (voice)
Jay Leno
Vorb (voice)
René Le Vant
Woog (voice)
Felicity Kendal
Elsa (voice)
Charles Fleischer
Dweeb (voice)
Walter Cronkite
Captain Neweyes (voice)
Joey Shea
Louie (voice)
Julia Child
Dr. Bleeb (voice)
Kenneth Mars
Professor Screweyes (voice)
Yeardley Smith
Cecilia (voice)
Martin Short
Stubbs the Clown (voice)
Larry King
Himself (voice)
Shelley Thompson
(voice)