She was born in Prague to a French father and Chilean-German mother, and began her career as a costume designer in the Berlin Opera.

Starting from 1969, she began to work regularly, especially in Italian crime, horror, and erotic movies.

[1] Her experience making the film was unpleasant: the producers required her to lose 25 pounds before filming, script revisions sidelined her character in order to give a larger role to co-star Laura Betti (who Lassander has said was "extremely rude" to her on the set), and because she only spoke German and a little English at the time, communication with the director was difficult.

[1] Lassander later successfully sued producer Manuel Caño for failing to deliver on his promise that she would be the movie's top-billed actress.

à San Salvador, and the 1984 Lamberto Bava science fiction-horror Monster Shark.