George Jetson

George O'Hanlon

Jane Jetson

Penny Singleton

Elroy Jetson (voice)

Daws Butler

Judy Jetson

Janet Waldo

Rosie the Robot

Jean Vander Pyl

Astro

Don Messick

Cosmo S. Spacely (voice)

Mel Blanc

Orbitty (voice)

Frank Welker