Paul RuggFreakazoid (voice) / Författare / Producent Ed AsnerSgt. Cosgrove (voice) Joe LeahyOur Narrator (voice) Tress MacNeilleDebbie Douglas (voice) Jeff BennettCave Guy (voice) David KaufmanDexter Douglas (voice) David WarnerThe Lobe (voice) John P. McCannDouglas Douglas (voice) / Författare / Producent Frank WelkerMr. Chubbikins (voice) Maurice LaMarcheLonghorn (voice) Jonathan HarrisProfessor Jones (voice) Ricardo MontalbanArmondo Guitierrez (voice) Googy GressDuncan Douglas (voice) Larry CedarOblongata (voice) Craig FergusonRoddy MacStew (voice) Jim CummingsSemiconductor (voice) Rob PaulsenFrancois (voice) Jess HarnellWakko (voice) Dorian HarewoodDeep Voiced Singer (voice) Bob JoyceSinger #3 (voice) Randy CrenshawAttendant #1 (voice) Ed GilbertProfessor Heiny (voice) Elizabeth LamersFemale Singer (voice) Brian GeorgeWarden Riba (voice) Mitch SchauerLonnie Tallbutt (voice) / Producent Kenneth MarsDr. Hunterhanker (voice) James Patrick CroninBuzz (voice) Elisabeth MossKathy (voice) Scott MenvilleToby Danger (voice) Granville Van DusenDash O'Pepper (voice) Mary ScheerSandra Danger (voice) Don MessickDr. Vernon Danger John RubinowAttendant (voice) Marc DrotmanFatman (voice) Julie BernsteinSinger #2 (voice) Richard MollVorn the Unspeakable (voice) Andrea MartinFemale Neighbor (voice) Tim CurryDr. Mystico (voice) Leonard MaltinHimself (voice) Jon JoyceSinger #4 (voice) Corey BurtonInvisibo (voice) John Rhys-DaviesProfessor Beasthead (voice) Dave CoulierTeenage Boy (voice) Norm AbramNorm Abram (voice) Clive RevillHermil Sioro (voice) Bebe NeuwirthDeadpan (voice) Jack ValentiHimself (voice) Neil RossBoard Member (voice) Rich AronsRegisör / Producent Paul RuggFreakazoid (voice) / Författare / Producent John P. McCannDouglas Douglas (voice) / Författare / Producent Tom RueggerFörfattare / Producent Mitch SchauerLonnie Tallbutt (voice) / Producent Steven SpielbergExekutiv producent L. Randall NoggBerättelse 
