Lulú de noche
German, a young theater director, tries to organize a theater play about Lulu, a prostitute that was killed in London by Jack the ripper. While looking for the protagonist, Rufo appears, an introvert jazz musician. He could play Jack the ripper.
Starring Imanol Arias, Amparo Muñoz, Antonio Resines, Assumpta Serna, Patricia Adriani, Asunción Balaguer, El Gran Wyoming, Chus Lampreave, Fernando Vivanco, Pilar Marco
Watch "Lulú de noche" on Netflix released in 1985. It's a drama and comedy movie, and has a rating of 4.6 out of 10 from Imdb which is fairly low for this kind of movie.