Name	Known for
George O'Hanlon George Jetson (voice) George Jetson (voice) See fewer	Rocky (1976)
Penny Singleton Jane Jetson (voice) Jane Jetson (voice) See fewer	After the Thin Man (1936)
Daws Butler Elroy Jetson / Mr. Countdown / Micro / Police Officers (voice) Elroy Jetson / Mr. Countdown / Micro / Police Officers (voice) See fewer	Hey There, It's Yogi Bear (1964)
Janet Waldo Judy Jetson / Miss Brainmocker / Telephone Operator (voice) Judy Jetson / Miss Brainmocker / Telephone Operator (voice) See fewer	The Jetsons (1962)
Don Messick Astro / Kenny Countdown / Ricky Rocket / Desk Sergeant / Chuckles / … (voice) See more Astro / Kenny Countdown / Ricky Rocket / Desk Sergeant / Chuckles / Police Officers / Coffee Robot (voice) See fewer	The Last Unicorn (1982)
Shepard Menken Mugsy Megatron / Ted Sprinkley (voice) Mugsy Megatron / Ted Sprinkley (voice) See fewer	Killers from Space (1954)
Mel Blanc Barney Rubble (archive sound) (uncredited) Barney Rubble (archive sound) (uncredited) See fewer	Who Framed Roger Rabbit (1988)
Alan Reed Fred Flintstone (archive sound) (uncredited) Fred Flintstone (archive sound) (uncredited) See fewer	The Flintstones (1960)