The Bloodsucker Leads the Dance (1975)
La sanguisuga conduce la danza (internationally released as The Bloodsucker Leads the Dance, The Leaches Lead the Dance, The Passion of Evelyn and The Mark of Satan) is a 1975 Italian giallo-horror film directed by Alfredo Rizzo. It is the last film starred by Austrian actress Krista Nell.
More at Wikipedia.