Best Investigation movies of 1970s

Actors : Vinod Mehra, Sunil Dutt, Sanjeev Kumar, Shatrughan Sinha,
Directors : Rajkumar Kohli,

A newly married bride disappears after her marriage.

Actors : Roland Bertin, Claire Deluca, Michelle Marquais, Serge Avedikian,
Directors : Michel Drach,

A film version of author Gilles Perrault's best-selling book about the 1976 trial and execution of Christian Ranucci, the youth who was convicted with extremely inconclusive evidence of ...

Actors : Licinia Lentini, Franco Nero, Mario Maranzana, Sybil Danning,
Directors : Enzo G. Castellari,

An American narcotics agent is murdered in Italy. The head of the department decides to hire Larry Stanziani, 'The Cobra'. Larry, a former agent and now a third-rate private detective, uses...

Actors : Dave Galluzzo, Chip Greenman, Rich Pemberton, Rick Styles,
Directors : Don Edmonds,

A rock band called "The Clowns" comes under suspicion of murder when several prostitutes are killed by individuals made up like members of the band.

Actors : Stan Wojno, Gordon De Vol, Jacqueline Ray, Jackson Bostwick,

A team of men and women investigate the mysterious deaths of two previous expeditions to a strategically important but barren world.

Actors : John Smihula, Fred Borges, Paul Smihula, Michael Siegal,
Directors : Nathan Schiff,

A series of horrible murders prompts a massive police investigation. Inspector James Cameron, a two-fisted roughneck with his own philosophy on handling crime, heads the investigation. A ...

Actors : Yoshirô Aoki, Kai Atô, Yûsaku Matsuda, Asami Kobayashi,
Directors : Tôru Murakawa,

A journalist steals a gun from a cop after killing him and goes on a spree of robbery and murder.

Actors : Rajesh Khanna, Helen, Nanda, Rajendra Nath,
Directors : Ravikant Nagaich,

Hardworking, capable, honest and dedicated CBI inspector Shyam Kumar is assigned the case of bringing to justice the criminals behind the use of fake cheques to purchase commodities. The ...

Actors : Monica Gayle, L.G. Allard, Nona Carver, Linda Colpin,
Directors : Edward D. Wood Jr.,

A couple hire a detective to locate their missing daughter. He finds her in a "house of ill-repute."

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 : Johnny Pachivas, Larry Pamilio, Sharon Mahon, Ridgely Abele,
Directors : Brad F. Grinter,

A young rebellious girl hooks up with a biker gang. Her mother hires a private detective to find her and bring her back. The detective goes undercover as a biker to search for her.

Actors : Noel Davis, Gilbert Wynne, Norman Claridge, Gilly Grant,
Directors : Lindsay Shonteff,

Gilbert Wynne stars in this British programmer as Harry Clegg, detective. His mission: To track down the crazed prostitute responsible for a string of murders.

Actors : Lissi Alandh, Vera Tschechowa, Sune Mangs, Harald Leipnitz,
Directors : Gunnar Höglund,

A German sociologist goes to Sweden to investigate whether the Swedish sin is myth or not. For several reasons he locates part of research to a dormitory for girls.

Actors : Ratan Gaurang, Faryal, Abhi Bhattacharya, Bipin Gupta,
Directors : Ram Kumar,

Rakesh and Sumesh are two plain-clothes agents in the city's Criminal Investigations Department. They have been entrusted the task of locating a missing, believed to be abducted scientist, ...

Actors : Poul Bundgaard, Helle Virkner, Ove Sprogøe, Helle Hertz,
Directors : Erik Balling,

A comedy about a Danish private detective, normally just occupied with cases about unfaithful spouses, is suddenly involved in murder, arms deal, revolution in Guateragua, briefcase full of money and the Danish intelligence agency.

Actors : Jeong-sun Hwang, Ko-seong Dok, Jeong-im Nam,
Directors : Yong-min Lee,

Cheol-min kills off his father-in-law and makes off with the only copy of his will. The fortune passes to the dead mans wife. As Cheol-min conspires with his girlfriend to murder his spouse...

Actors : Miranda Campa, José Luis López Vázquez, Carroll Baker, Michael Craig,
Directors : Eugenio Martín,

A wealthy Englishman finds his third wife dead. After the police discover that his first 2 wives had also died suddenly, an investigation is lead. Meanwhile, a new neighbor moves in and she seems to become very interested in Arthur.

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 : Anjanette Comer, Joanne Dainton, Keith Barron, Chad Everett,
Directors : Sidney Hayers,

Insurance investigator must find out who is setting fires. Along the way he meets and works with a beautiful newspaper reporter and falls in love.

Actors : Alberto de Mendoza, Janine Reynaud, Erika Blanc, George Ardisson,
Directors : Bitto Albertini,

A gangster seeks those who killed his brother. A series of murders follow.