Katya Wyeth: German-born actress in UK movies and TV between 1968 and 1977, including the vampiress Countess Mircalla in Twins of Evil (1971) and Malcolm McDowell’s fantasy girl in A Clockwork Orange (1971).
Phyllis Davis, Actress and star of 1978-1981 TV Show Vegas . But before that in 1973's Terminal Island, she had to get naked for work (unedited link in comments).
