Decades later, Stellan Skarsgård admitted that he fell badly in love with his co-star Christina Lindberg during the filming of this movie - but that she was unattainable and out of his league.
There are several versions of the film, including a US version with hardcore inserts which were shot later without Lindberg's participation. The hardcore version has never been released on DVD.
At the 14:33 point in Taxi Driver there is a 42nd street marquis with this film Anita Nymphet displayed. This film premiered in NYC in July 1975 and Taxi Driver was filmed from June-August, 1975.
Because of its explicit nature, this film was banned in Norway and New Zealand.