Actors: Audrey Hepburn, Gladys Cooper, Isobel Elsom, Jeremy Brett, John Holland, Mona Washbourne, Rex Harrison, Stanley Holloway, Theodore Bikel, Wilfrid Hyde-White. Professor Henry Higgins (Rex Harrison), an expert in phonetics, accepts the challenge of transforming lowly cockney flower girl Eliza Dolittle (Hepburn) into an upper-class lady through elocution lessons.