Hanna-Barbera's 50th The special is hosted by Tony Danza and Annie Potts celebrating 50 years of William Hanna and Joseph Barbera's partnership in animation. This is the first animated project to be broadcast in Dolby Surround sound system. Details Casts Posters Title Hanna-Barbera's 50th Release Date 1989-07-17 Runtime 01 Hours 34 Minutes Genres Comedy Fantasy Family Animation Documentary TV Movie Production Companies Marshall Flaum Production Production Countries United States of America Casey Kasem... Shaggy Rogers (voice)... Tiffany... Self... Valerie Harper... Self... Penny Singleton... Jane Jetson (voice)... Phyllis Diller... Self... Tony Danza... Self - Host... Annie Potts... Self - Host... Victor Borge... Self... Shari Belafonte... Self... Sammy Davis Jr.... Self... Joe Ferguson... Self... Whoopi Goldberg... Self... Tommy Lasorda... Self... Betty White... Self... Jonathan Winters... Self... William Hanna... Self... Joseph Barbera... Self... Greg Berg... Baba Looey / Augie Doggie... Mel Blanc... Barney Rubble (voice)... Greg Burson... Yogi Bear / Huckleberry H... Henry Corden... Fred Flintstone (voice)... Don Messick... Scooby-Doo / Ranger Smith... John Stephenson... Mr. Slate (voice)... Jean Vander Pyl... Wilma Flintstone (voice)... Jeff Bergman... George Jetson (voice)... Janet Waldo... Judy Jetson / Penelope Pi... Original Size (500x750)