George O'HanlonGeorge Jetson (voice) Penny SingletonJane Jetson (voice) Daws ButlerElroy Jetson (voice) Janet WaldoJudy Jetson (voice) Jean Vander PylRosie (voice) Mel BlancCosmo S. Spacely (voice) Frank WelkerOrbitty (voice) Howard MorrisHarlan (voice) Allan MelvinMangler Mars (voice) Shepard MenkenNimbly (voice) John StephensonCommissioner / DWMR Officer (voice) Barry GordonMechanic (voice) Joan GardnerHelen (voice) (uncredited) Selma DiamondDi-Di (voice) Frank NelsonRalph (voice) Sonny MelendrezGus Guesser - Game Show Host (voice) Brenda VaccaroDi-Di (voice) Paul WinchellDr. Input (voice) B.J. WardRobot / Wicked Wrench of the West (voice) Bea BenaderetEmily Scopes / Celeste Skyler (voice) Didi ConnCousin Melissa (voice) Dave CoulierRobot Umpire (voice) Phil HartmanSchool Patrol Robots / Executive Vice President (voice) Nancy CartwrightAsteroid Cogswell (voice) William WindomSaturn Cyclops (voice) Rob PaulsenJacque Nova / Hall Monitor (voice) Peter CullenJupiter Juggernaut (voice) June ForayGas Station Woman / Clerk (voice) Gregg BergerCurly Quasar (voice) Lauri JohnsonMrs. Meltdown (voice) William WoodsonNarrator (voice) Roger DeWittSam Spacely (voice) Lorenzo MusicFlorist (voice) Brian CummingsMarcia's Father / DJ (voice) Dan GilvezanRandy (voice) Wink MartindaleWink Martiandale (voice) 
