David Paymer

Sheldon S. Cargo (voice)

Rob Paulsen

Ogden Ostrich (voice)

Jonathan Harris

Stickley Rickets (voice)

Alice Ghostley

Pandora Rickets (voice)

Gregg Berger

Bud (voice)

Neil Ross

Ed (voice)

Susan Silo

(voice)

Laura Summer

(voice)

Greg Burson

Professor Edwin I. Relevant (voice)

Ron Taylor

Clifton (voice)

Tara Strong

(voice)

Maurice LaMarche

(voice)

Frank Welker

(voice)

James L. George

Norman Lear

John Baskin