L’Iguana dalla lingua di fuoco (1972) by Ricardo Freda
aka: The Iguana with the Tongue of Fire

Mysterious and acidic killings are happening in and around the Irish headquarters of French Ambassador family Sobiesky. A delicate job for the local police, regarding the Sobiesky’s diplomatic immunity and their rather casual lifestyle. Detective John Norton (Luigi Pistilli), famous for his tragic past as well as for his affection for the ladies sneaks in the case through the front door opened widely by the joyful daughter of the house (Dagmar Lassander). But not to everybody’s delight, appearantly.

seen at: pickledfeet private videothek