Detective Harper: acqua alla gola was released in the year 1975。Detective Harper: acqua alla gola is also called as The Drowning Pool, Unter Wasser stirbt man nicht, Toile d'araignée, Kasvot vedessä, Fall för Harper, Epitheoritis Harper, Con el agua al cuello, Basen topielców, A Piscina Mortal。

Harper is brought to Louisiana bayou country to investigate an attempted blackmail scheme. He soon finds out that it involves an old flame of his and her hellion of a daughter. What is more, he finds himself caught in a power struggle between the matriarch of the family and a greedy oil baron, who wants her property. Poor Harper! Things are not as straight-forward as they initially appeared.

Detective Harper: acqua alla gola actors and actresses include Coral Browne, Helena Kallianiotes, Melanie Griffith, Paul Koslo。