Full Cast — The Jetsons (1962–1987)

George O'Hanlon

George Jetson (voice)

Penny Singleton

Jane Jetson (voice)

Daws Butler

Elroy Jetson (voice)

Janet Waldo

Judy Jetson (voice)

Jean Vander Pyl

Rosie (voice)

Don Messick

Astro (voice)

Mel Blanc

Cosmo S. Spacely (voice)

Frank Welker

Orbitty (voice)

Howard Morris

Jet Screamer (voice) / Emcee (voice) / Mr. Tweeter (voice) / Harlan (voice) / Nimbus the Great / George's Conscience / Willie (voice) / Montague Jetson (voice) / Boppo Crushstar / CB (voice) / Bus Driver (voice)

Allan Melvin

Mangler Mars (voice) / Mr. Spendwell / Construction Worker (voice) / Jacob Marsley / Ghost of Christmas Present (voice) / Solareenie (voice)

Shepard Menken

Mugsy Megatron / Microbe (voice) / (voice) / Nimbly (voice)

Dick Beals

Arthur Spacely (voice) (uncredited) / (voice) / Arthur Spacely (voice)

John Stephenson

Gary Gammaray (voice) / Commissioner / DWMR Officer (voice) / Dr. Scarem (voice)

Barry Gordon

Sneak (voice) / Tiny Terror / Betting Machine (voice) / Mechanic (voice)

Hal Smith

(voice) / Beta Ranch Manager (voice)

Joan Gardner

Helen (voice) (uncredited) / (voice)

Selma Diamond

Di-Di (voice)

Frank Nelson

Robot Dance Instructor (voice) / Ralph (voice)

Sonny Melendrez

Mr. Rocket (voice) / Gus Guesser - Game Show Host (voice)

Brenda Vaccaro

Di-Di (voice)