Best Investigation movies of 1970s

Actors : Joseph Fürst, Judith Anderson, Alex Cord, Michael Craig,
Directors : Terry Bourke,

A sheriff investigates why the guests at a local hostelry check in, but never check out.

Actors : Ferdinando Murolo, Luc Merenda, Enzo Cannavale, Adolfo Lastretti,
Directors : Michele Massimo Tarantini,

Police Commissioner Dario Mauri investigates the activities of a drug ring led by Don Domenico Laurenzi.

Actors : Joe Don Baker, Tyne Daly, Robert Loggia, Richard Jaeckel,
Directors : Earl Bellamy,

After a wave of unsolved car thefts, an insurance company calls in private investigator Pete Nobeck to solve the case. While the chief of police isn't thrilled about having an outsider come...

Actors : Ligia Diniz, Paulo Gracindo, Paulo Guarnieri, Cristina Aché,
Directors : Bruno Barreto,

Rio de Janeiro police investigator Galvão is pursuing two trails, one professional and one personal. While he tracts a serial killer of taxi-drivers, he also seeks his estranged daughter, ...

Actors : James Westmoreland, Alan Landers, Anitra Ford, Anne Randall,
Directors : Andy Sidaris,

The sleazy and dangerous adventures of a gorgeous female private detective.

Actors : Robert Webber, Tomas Milian, Massimo Vanni, Lilli Carati,
Directors : Bruno Corbucci,

Tomas Milian as the unconventional undercover cop with a pet mouse named 'Serpico'. Still difficult for an investigation commissioner Nico Giraldi, this time struggling with a gang who commits theft in luxury apartments in Rome.

Actors : Robert Ginnaven, Gary Brockette, Rod Serling, John Leslie,
Directors : Harry Thomason,

Three eerie tales based on actual events are enacted in this film. First, three college students play a prank on a geeky classmate, who is accidentally shot and killed. His vengeful mother ...

Actors : Christopher George, Charo, Dean Jagger, Tippi Hedren,
Directors : R.G. Springsteen,

Vietnam war hero, accused of murdering his brother, recruits his socialite girlfriend to hunt for the real killer.

Actors : Robert Helpmann, Christopher Pate, Gerard Kennedy, Geraldine Fitzgerald,
Directors : Kevin James Dobson,

Jamie is a young man growing up in the small Australian town of Bundaberg during the early 1940's. Jamie loves his tranquil life, surrounded by the friendly locals, and being brought up by ...

Actors : Poonam Sinha, Bindu, Sharmila Tagore, Shatrughan Sinha,
Directors : Feroz Chinoy,

After the brutal deaths of Kanta Mirchandani and Sabrina, Bombay's Police Commissioner concludes it to be the work of a serial killer and assigns this case to Inspector Ashok, who lives ...

Actors : Raul Julia, Henry Darrow, Miguel Ángel Suárez, Miriam Colon,
Directors : Efraín López Neris,

Pablo, a Caribbean peasant and Isabel, a politician's mistress, open a brothel that becomes internationally famous. Though they gain wealth and power, the one thing that Isabel seeks continues to elude her. In HD.

Actors : Nigel Davenport, Ken Gampu, Bima Stagg, Peter Dyneley,
Directors : Christopher Rowley,

A white cop and a black reporter join forces to investigate apparent vigilante killings in the South African underworld.

Actors : Liliana Komorowska, Halina Gryglaszewska, Barbara Brylska, Bronislaw Cieslak,
Directors : Roman Zaluski,

Detective thriller about a killer loose in the crowds. The film follows a sniper on his rounds looking for victims, while a police inspector, with few clues in his hand, has to figure out ...

Actors : Yung-Kyoon Sin, John Ireland, Victor Buono, Anita Ekberg,
Directors : David Lowell Rich,

Three adventurers--at times competing with each other, at other times allied with each other--search South Korea for a magical sword that is supposed to imbue its owner with wealth and power.

Actors : Fred Betts, Belinda Giblin, Barrie Barkla, Ken James,
Directors : Paul Eddey,

Story examines television station UCV-12 attempting to produce a feature-film version of its television series "Manhunt", while an officious efficiency expert investigates the running of ...

Actors : Donn Greer, Sebastian Brook, Gray Daniels, Mady Maguire,
Directors : Eric Jeffrey Haims,

A man commits a series of murders due to his dual personalities and his zodiac birth sign.

Actors : Brad Harris, Eddi Arent, Theo Lingen, Evelyne Kraft,
Directors : Franz Josef Gottlieb,

A beautiful blonde bitten by Count Dracula 100 years previously is unearthed in Vienna, and soon she goes on a killing spree. The skeptical cop on the case falls for her.

Actors : Jana Sulcová, Juraj Kukura, Ilja Prachar, Hana Cízková,
Directors : Ivo Novák,

The outstanding hockey player Jindrich Vacula (Juraj Kukura) is accused of accepting a bribe and banned from playing pending the investigation. His attractive lover Alena (Hana Cízková) ...

Actors : Franco Fabrizi, Marilù Tolo, Frederick Stafford, Reinhard Kolldehoff,
Directors : Camillo Bazzoni,

A journalist is attacked and killed. Inspector Luca Micheli investigates the crime, and finds a suspect named Delogo but, though the suspect himself confesses that he murdered Galiardin, ...

Actors : Henryk Bista, Miroslaw Konarowski, Piotr Lysak, Tomasz Zaliwski,
Directors : Tadeusz Chmielewski,

A psychological detective story about a police hunt for the murderer of young boys during the Christmas season. The police commissioner ends up tracing the clues to his own home, where he ...