Best Investigation movies of 1960s

Actors : Jimmie Marcell, Marilyn Savage, Marv Watson, Sheri Everett,

A private detective is hired to investigate the goings-on in the "nudie" movie business, which of course entails his meeting many nude figure models, nude actresses (like, for example, "The Booby Twins").

Actors : Yôko Mihara, Kyôko Katsura, Shigeru Amachi, Toshio Hosokawa,
Directors : Teruo Ishii,

A reporter investigating a prostitution ring is framed for murder.

Actors : Dimitris Lavdas, Nikos Kosmas, Ketty Theohary, Alekos Deligiannis,
Directors : Dimitris Zannidis,

A series of mysterious murders confounds the country's secret services, as they investigate, discreetly but persistently, every aspect of the case. With the help of a number of coincidences...

Actors : Patrick Allen, James Maxwell, Zena Walker, Jacqueline Ellis,
Directors : Robert Tronson,

Espionage story telling how British and American security agents outwit ruthless and cunning traitors trying to steal secret project plans.

Actors : Jean Relet, Gamil Ratib, Philippe Guégan, Robert Berri,
Directors : Jean Stelli,

A spy is instructed to investigate a case of arms and women trafficking covered behind a funeral services company.

Actors : Leon Askin, Fabio Testi, Ini Assmann, Dean Reed,
Directors : Harald Philipp,

While looking for a stolen diamond necklace,the private investigator Bob Martin uncovers a smart serial killer.

Actors : Barbara Rütting, Cyl Farney, Harald Leipnitz, Oswaldo Loureiro,
Directors : Franz Eichhorn,

(1964) Barbara Rutting, Harold Leipnitz. A young girl, seeking to unravel the mystery of her father's death, travels through the Amazon jungle into a nightmare of danger. From 16mm.

Actors : Dora Doll, Jean Danet, Claudine Dupuis, Henri Vilbert,
Directors : Alfred Rode,

Claudine Dupuis, Jean Danet, Dora Doll, Henri Vilbert. A detective investigates the grisly murder of a woman. The trail leads him to dope peddling, blackmail, and financial spying. From 16mm.

Actors : Harry Lauter, Jodi Mitchell, Hanna Hertelendy, Don 'Red' Barry,
Directors : Lesley Selander,

Ben has been after the Sims brothers since they gunned down his sister. His wife, threatening to leave him, sees his chance to get her back and get his revenge when the brothers are ...

Actors : M.G. Ramachandran, Saroja Devi B., Sennalkudi Lakshmi, Ashokan,
Directors : P. Madhavan,

Maran, a police officer, grows up with the belief that his father was killed in a tragic accident. However, when he sets out to investigate a case, he learns that his father leads a terrorist group.

Actors : Brian Donlevy, Victor Merinow, Andrea Bayard, Elizabeth Howard,
Directors : Richard E. Cunha,

A letter summons American detective Steve Marshall to Sao Paulo, Brazil, in search of fugitive murderess Louise Dunning. Marshall contacts Louise and learns that she murdered her husband ...

Actors : Seung-ri Hwang, Yeong-gyun Shin, Nam-hyeon Choi, Ji-mee Kim,
Directors : Hae-won Jo,

A young bride becomes the prime suspect in a series of grisly murders. However, her dashing young lawyer decides to come to her rescue and begins his own investigation into the crimes in an effort to clear his client's name.

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 : Warren J. Kemmerling, Michael Fox, William Thourlby, Kathleen Gallant,

A series of murders involving a stripper (Indus Arthur) are investigated by a hard-drinking reporter (William Thourlby) in this late-entry film-noir.

Actors : Marie Brozová, Otakar Brousek, Josef Gruss, Zdenek Duss,
Directors : Pavel Blumenfeld,

Jan Bernard (Vladimír Ráz) reports to the district police department that his wife Hilda did not return from visiting her sister in East Berlin. For young investigator Tereza Machátová (...

Actors : Ichirô Izawa, Kôshirô Harada, Naoko Kubo, Jûshirô Konoe,
Directors : Shoji Matsumura,

Jûbei Yagyû meets his former master Akizuki Hayato-no-Kami in Akizuki Village. An evil gang is trying to murder the sickly Hayato, but Jûbei Yagyû will ruin their plan.

Actors : Keiji Sada, Michiyo Aratama, Kyôko Kishida, Tsutomu Yamazaki,
Directors : Hiromichi Horikawa,

A Japanese detective, Kikuchi, is framed for a murder and sent to prison. When he is paroled, he joins a private detective agency to investigate his case and investigates Mitsue Takazawa, ...

Actors : Mayumi Shimizu, Sanae Nakahara, Hiroyuki Nagato, Yuji Kodaka,
Directors : Seijun Suzuki,

Two reporters of divergent morals investigate a drug ring, delving deeper into the underworld in the process.

Actors : Adoor Bhasi, Kottarakkara Sridharan Nair, Prem Nazir, G.K. Pillai,
Directors : M. Krishnan Nair,

Madhava Menon is murdered while on a train journey from Madras (Chennai) to Cochin (Kochi), and jewelry worth Rs. 10,000 is stolen from him. Officer Rajan investigating the crime initially ...

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...