Best Investigation movies of 1970s

Actors : Milos Kopecký, Rudolf Hrusínský, Václav Lohniský, Michal Docolomanský,
Directors : Oldrich Lipský,

When the famous detective Nick Carter visits Prague, he becomes involved in strange case of a missing dog and even stranger carnivorous plant. He becomes convinced that he is standing ...

Actors : Ray Lovelock, Mimsy Farmer, Barry Primus, Carlo Cattaneo,
Directors : Armando Crispino,

A pathology med student and a priest team up to investigate a wave of suicides blamed on sun spots and discover a number of them to be actual murders.

Actors : Cristina Galbó, George Hilton, Antoine Saint-John, Femi Benussi,
Directors : Luigi Cozzi,

Giorgio is a greedy adulterer who makes a deal with a serial killer to dispose of his wealthy wife, Nora. Unfortunately, a thrill-seeking young couple steal the killer's car with Nora's ...

Actors : Frederic Forrest, Robert Forster, Al Lettieri, Anthony Quinn,
Directors : Richard Fleischer,

After his mistress is savagely beaten up a Mafia leader goes after the killer with a bloody vengeance. Soon after the hunt begins, a gang war ensues.

Actors : Yvonne Furneaux, Ely Galleani, Ugo Tognazzi, Vittorio Gassman,
Directors : Dino Risi,

An obscure Italian magistrate suspects that a well-known industrialist commited murder, and decides to investigate him, and bring him to court, whatever it takes. But - will the magistrate ...

Actors : Jacqueline Bisset, Jill Clayburgh, Ryan O'Neal, Warren Oates,
Directors : Bud Yorkin,

A computer programmer decides to become a thief. And when he starts making waves an insurance investigator hounds him. He also meets a woman who becomes his accomplice.

Actors : Lisa Moore, Bhetty Waldron, Pam Grier, Bernie Casey,
Directors : George Armitage,

A lawyer whose brother was murdered winds up getting involved with gangsters and the world of porno movies.

Actors : Jennifer O'Neill, Christopher Lee, Anthony Quinn, Michael Sarrazin,
Directors : James Fargo,

In 1948, at the U.S. embassy in Zadestan, a young diplomat is ordered to find the missing daughter of an influential American senator.

Actors : Donald Pilon, Jean-Louis Roux, Christopher Plummer, Karen Black,
Directors : Harvey Hart,

A detective investigating the death of a heroin-addicted prostitute uncovers evidence pointing to the existence of a murderous devil cult.

Actors : Sterling Hayden, Jon Finch, Harry Andrews, Jenny Runacre,
Directors : Robert Fuest,

After the death of his Nobel Prize-winning father, billionaire physicist Jerry Cornelius becomes embroiled in the search for the mysterious "Final Programme", developed by his father. The ...

Actors : Yumi Kanei, Hiroshi Tsukata, Masakazu Tamura, Meiko Kaji,
Directors : Yasuharu Hasebe,

Once again on the lam, Matsu is helped by a strip club worker who holds a grudge against the detective who's trying to find her.

Actors : Percy Herbert, Lee Van Cleef, Carroll Baker, Stuart Whitman,
Directors : Alexander Singer,

A Native American born US Army officer, Captain Apache, investigating a murder, uncovers a presidential assassination plot.

Actors : Ian Mune, Sam Neill, Nevan Rowe, Warren Oates,
Directors : Roger Donaldson,

Recluse Smith (Sam Neill) is drawn into a revolutionary struggle between leftist guerillas and the New Zealand government. Implicated in a murder and framed as a revolutionary conspirator, ...

Actors : Dennis Waterman, John Thaw, Denholm Elliott, Ken Hutchison,
Directors : Tom Clegg,

Second cinematic spin-off from the popular 70's police series. Regan & Carter head a Flying Squad investigation into a series of bank raids by a team of well-armed villains who are flying in from the continent.

Actors : Hal Holbrook, Harry Guardino, Katharine Ross, James Garner,
Directors : James Goldstone,

California small town police chief investigates a suspicious death involving the victim's own dog that presumably killed its owner.

Actors : Shane Briant, Katya Wyeth, James Bolam, Rita Tushingham,
Directors : Peter Collinson,

A timid, withdrawn woman meets a man she believes is finally the love of her life, unaware that he is a vicious serial killer.

Actors : Andrew Byatt, Lisa Kreuzer, Sandy Ratcliff, David Beames,
Directors : Christopher Petit,

Set in 1970's Britain, a man drives from London to Bristol to investigate his brother's death. The purpose of his trip is offset by his encounters with a series of odd people.

Actors : Ewa Aulin, Klaus Kinski, Angela Bo, Sergio Doria,
Directors : Joe D'Amato,

A man discovers an ancient Incan formula for raising the dead, and uses it for a series of revenge murders.

Actors : Liv Ullmann, Max von Sydow, Trevor Howard, Per Oscarsson,
Directors : Laslo Benedek,

A man named Salem escapes from an insane asylum where he was confined for an axe-murder. Falsely convicted under a plea of "guilty due to insanity", he does not plan to let his sister and ...

Actors : Dennis Waterman, John Thaw, Ian Bannen, Barry Foster,
Directors : David Wickes,

Cinematic spin-off from the popular TV series. Hard-bitten Flying Squad officer Jack Regan gets embroiled in a deadly political plot when an old friend asks him to investigate the death of ...