I pronipoti

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

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

Allan Melvin

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

Shepard Menken

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

Dick Beals

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

John Stephenson

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

Barry Gordon

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

Hal Smith

(voice) / Beta Ranch Manager (voice)

Joan Gardner

(voice) / Helen (voice) (uncredited)

Selma Diamond

Di-Di (voice)

Frank Nelson

Ralph (voice) / Robot Dance Instructor (voice)

Sonny Melendrez

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

Brenda Vaccaro

Di-Di (voice)

Foster Brooks

(voice)

Paul Winchell

Dr. Input (voice)

B.J. Ward

Robot / Wicked Wrench of the West (voice)

Bea Benaderet

Emily Scopes / Celeste Skyler (voice)

Didi Conn

Cousin Melissa (voice)

Dave Coulier

Robot Umpire (voice)

René Auberjonois

(voice)

Phil Hartman

School Patrol Robots / Executive Vice President (voice)

Nancy Cartwright

Asteroid Cogswell (voice)

William Windom

Saturn Cyclops (voice)

Rob Paulsen

Jacque Nova / Hall Monitor (voice)

Peter Cullen

Jupiter Juggernaut (voice)

June Foray

Gas Station Woman / Clerk (voice)

Gregg Berger

Curly Quasar (voice)

Lauri Johnson

Mrs. Meltdown (voice)

William Woodson

Narrator (voice)

Roger DeWitt

Sam Spacely (voice)

Lorenzo Music

Florist (voice)

Brian Cummings

Marcia's Father / DJ (voice)

Dan Gilvezan

Randy (voice)

Wink Martindale

Wink Martiandale (voice)