as Lisa Simpson (voice)

as Fry / Professor Farnsworth / Zoidberg / Zapp Brannigan (voice)

as Yakko Warner / Pinky (voice)

as Dot Warner (voice)

as Dale (voice)

as Minnie Mouse (voice)

as Yakko Warner, Pinky and Dr. Otto Scratchansniff

as Babs Bunny / Big Boo / Babs' Mother / Emily Duff / Roseanne Barr / Barbara Walters / Arsenio Hall / Additional Voices (voice)

as Buster Bunny (voice)

as Plucky Duck (voice)

as Astrophysicist, Director of the United Nations Office