Jetgiller

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

Jacob Marsley / Ghost of Christmas Present (voice)

Shepard Menken

(voice)

Dick Beals

Arthur Spacely (voice) (uncredited)

John Stephenson

Dr. Scarem (voice)

Barry Gordon

Tiny Terror / Betting Machine (voice)

Hal Smith

(voice)

Joan Gardner

(voice)

Selma Diamond

Di-Di (voice)