Born in Zürich, Switzerland on 22 September 1951, Kraft made her acting debut in 1972 as Evelyne Elgar alongside Anita Ekberg in the Italian horror film Casa d'appuntamento.
Kraft also acted in the TV series Ein Fall für Männdli episode Die Verrückte.
She gained fame for the portrayal of the title heroine in Franz Josef Gottlieb's 1977 West German film Lady Dracula.
She starred in two Hong Kong Shaw Brothers films, Deadly Angels and The Mighty Peking Man, both in 1977.
Kraft played her last role in the 1981 Soviet-French-Swiss co-production Teheran 43 as Jill the false secretary, before retiring from acting.