Klute

Klute is a 1971 American neo-noir psychological thriller film directed and produced by Alan J. Pakula, and starring Jane Fonda, Donald Sutherland, Charles Cioffi and Roy Scheider. Its plot follows a high-priced New York City call girl who assists a detective from Pennsylvania in solving the missing person case of a john who may be stalking her. It is the first installment of what has informally come to be known as Pakula's "paranoia trilogy", followed by The Parallax View (1974) and All the President's Men (1976), all films dealing with themes of paranoia, conspiracies and surveillance.