Paul Rugg

as Clerk (voice)

as Dr. Bolster (voice)

as Orderly (voice)

as Clown (voice) (uncredited)

as Flippy (voice)

as Ned (voice)

as Inspector (voice)

as Vert Ladderfeller III / Altitooth / Bivouac Ladderfeller (voice)

as Artephius / Papa Bear (voice)

as Napoleon (voice)

as Mr. Howard (voice)

as Cricket (voice)

as Savage (voice)

as Agosto (voice)

as Roberto (voice)

as Artephius (voice)

as Lord Starchbottom (voice)

as Troll (voice)

as Steve Trilby (voice)

as Freakazoid (voice)

as Savage (voice)

as Gweelok (voice)

as Kelsepsian (voice)

as Dr. Portillo

as Baron Vain / Katz (voice)

as Ant #5 (voice)

as Professor Rotwood / The Huntsman (voice)

as Chuckles The Silly Piggy (voice)

as TV Reporter

as Cosmo / Inspector (voice)

as Guard (voice)

as Ed / Brain Pod / Bystander (voice)

as Cosmo / Ed (voice)

as Ed (voice)

as Cosmo (voice)

as Mr. Director (voice)

as Seth Tuber's Mom/Angry Mob leader

as Freakazoid (voice)

as Mr. Director (voice)

as Mr. Sultana (voice)

as Einstein (voice)

as Mr. Director (voice)

as Mr. Clown (voice)

as Freakazoid (voice)

as Sy Sykman (voice)

as Lon Borax / Mr. Director (voice)

as John Ferguson

as Chancellor Maniac / Caveman