Produced and Directed by William Hanna Joseph Barbera The Cast George O'Hanlon..............George Jetson Mel Blanc......................Mr. Spacely Tiffany........................Judy Jetson Penny Singleton................Jane Jetson Patrick Zimmerman.............Elroy Jetson Don Messick..........................Astro Jean VanderPyl.......................Rosie Ronnie Schell...................R.U.D.I. 2 Dana Hill.....................T.E.D.D.I. 2 Patti Deutsch...................L.U.C.I. 2 Brad Garrett..............Bernie Furbellow Janet Waldo...............Gertie Furbellow Russi Taylor..............Furgie Furbellow Frank Welker.....................Grunchies Written by Dennis Marks Musical Score John Debney Animation Direction David Michner Ray Patterson Art Director Al Gumer Animation Direction Supervisor Bruce David Johnson Character Design/ Animation Production Supervisor Iwao Takamoto Animators Frank Andrina Oliver "Lefty" Callahan Jon McClenahen