Who played the title animated character Frosty  
Frosty's Winter Wonderland:  The special premiered on ABC on December 2, 1976. Frosty the Snowman (film):  The program, which first aired on December 7, 1969 on CBS (where it still airs to this day), was produced for television by Rankin/Bass Productions and featured the voices of comedians Jimmy Durante as the film's narrator (Durante's final performance in a film) and Jackie Vernon as the title character.
Jackie Vernon