George O'Hanlon

George Jetson (voice)

Mel Blanc

Mr. Spacely (voice)

Penny Singleton

Jane Jetson (voice)

Tiffany

Judy Jetson (voice)

Patric Zimmerman

Elroy Jerson (voice)

Don Messick

Astro (voice)

Jean Vander Pyl

Rosie the Robot (voice)

Brad Garrett

Bertie Ferbelow (voice)