[2] She is perhaps best known for her role as Oliver Reed's love interest in the Hammer Film Productions' The Curse of the Werewolf (1961).

[3] She appeared in Waltz of the Toreadors (1962) with Peter Sellers,[4] and in the first colour episode "The Queen's Ransom" of The Saint TV show.

[5] In 1955, as a sixteen-year-old, Feller appeared in a production of The Lark at the Lyric, Hammersmith.

She has collaborated with several public and private schools as a lecturer on expressiveness and conversation courses addressed to teachers and students.

She has performed her shows and laboratory activities sponsored by L’Astrolabio throughout Italian schools.