Mel BlancBarney Rubble / Dino / Mr. Spacely (voice)
Daws ButlerElroy Jetson / W.C. Cogswell / Henry Orbit (voice)
Don MessickAstro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
Henry CordenFred Flintstone / Knight (voice)
Jon BaumanIggy (voice)
Hamilton CampTurk Tarpit (voice)
Julie McWhirterBetty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)
George O'HanlonGeorge Jetson (voice)
