Hanna-Barbera's 50th

Penny Singleton as Jane Jetson (voice) Tony Danza as Self - Host Victor Borge as Self Shari Belafonte as Self Sammy Davis Jr. as Self Jonathan Winters as Self Jean Vander Pyl as Wilma Flintstone (voice) Jeff Bergman as George Jetson (voice) Casey Kasem as Shaggy Rogers (voice) Tiffany as Self Phyllis Diller as Self Whoopi Goldberg as Self William Hanna as Self Greg Berg as Baba Looey / Augie Doggie (voice) Mel Blanc as Barney Rubble (voice) Annie Potts as Self - Host Tommy Lasorda as Self Betty White as Self Joseph Barbera as Self Henry Corden as Fred Flintstone (voice) Don Messick as Scooby-Doo / Ranger Smith / Boo-Boo Bear / Muttley / Bamm-Bamm Rubble / Papa Smurf John Stephenson as Mr. Slate (voice) Janet Waldo as Judy Jetson / Penelope Pitstop / Josie McCoy (voice) Valerie Harper as Self

Daws Butler In Memory Of William Hanna Executive Producer Iwao Takamoto Creative Producer Charles Grosvenor Storyboard Joseph Barbera Executive Producer