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 / Microbe / Police Officer #2 (voice) Elroy Jetson / Mr. Countdown / Microbe / Police Officer #2 (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 Officer #1 / Coffee Robot (voice) See fewer	Tiny Toon Adventures: How I Spent My Vacation (1992)
Shepard Menken Mugsy Megatron / Police Sketch Artist / Chet Sprinkly (voice) Mugsy Megatron / Police Sketch Artist / Chet Sprinkly (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)