The Jetsons

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)

Foster Brooks

(voice)

Howard Morris

Harlan (voice)

Allan Melvin

Mangler Mars (voice)

Shepard Menken

Mugsy Megatron / Microbe (voice)

Dick Beals

(voice)

John Stephenson

Gary Gammaray (voice)

Barry Gordon

Sneak (voice)

Hal Smith

Beta Ranch Manager (voice)

Joan Gardner

Helen (voice) (uncredited)

Selma Diamond

Di-Di (voice)