barred from feature films, clift turned to voice work. early in his career, clift had participated in radio broadcasts, though, according to one critic, he hated the medium. on may 24, 1944, he was part of the cast of eugene o'neill's "ah, wilderness!" for "the theatre guild on the air". in 1949, as part of the promotional campaign for the film "the heiress", he played heathcliff in the one-hour version of "wuthering heights" for "ford theatre". in january 1951, he participated in the episode "the metal in the moon" for the series "cavalcade of america", sponsored by the chemical company dupont company. also in 1951, clift was for the first time cast as tom in the radio world premiere of tennessee williams' "the glass menagerie", with helen hayes (amanda) and karl malden (the gentleman caller), for "the theatre guild on the air". in 1964, he recorded for caedmon records "the glass menagerie", with jessica tandy, julie harris, and david wayne. in 1965, he gave voice to william faulkner's writings in the tv documentary "william faulkner's mississippi", which aired on april 1965.