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)

Dick Zondag

Simon Wells

Phil Nibbelink

Ralph Zondag