Best Investigation movies of 1960s

Actors : Elisa Montés, José Nieto, Jesús Tordesillas, George Montgomery,
Directors : Maury Dexter,

A gringo outlaw investigates a murder and must find the culprit amidst various suspects.

Actors : Cyl Farney, Barbara Rütting, 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 : Jill Williams, Francis Matthews, Jack Gwillim, Basil Dignam,
Directors : Max Varnel,

An engineer is wrongly convicted of selling secrets to enemy agents and is sentenced to life in prison. Convinced it was his former partner who framed him, he enlists his son to investigate.

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 : 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 : May Heatherly, Luis Prendes, Paco Morán, Javier Escrivá,
Directors : Julio Coll,

A parapsychology student investigates his father's death.

Actors : Sonja Ziemann, Richard Briers, Alex Nicol, Terry-Thomas,
Directors : Don Chaffey,

(1962) Terry-Thomas, Alex Nicol, Honor Blackman. A man's death of smallpox at London airport sends officials into a panic as they conduct a frantic search for the carrier. Nice performances and a good script. 35mm.

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

A reporter investigating a prostitution ring is framed for murder.

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 : 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 : Su-il Bang, Hye-jeong Kim, Hae Hwang, Hang Jo,
Directors : Bong-rae Lee,

A journalist attempts to clear his cousin's name of murder so he begins an investigation into the crime. Discovering that the killing was politically motivated, but lacking proof against ...

Actors : Irena Prosen, Petar Kralj, Zoran Milosavljevic, Mihailo 'Misa' Janketic,
Directors : Zivorad 'Zika' Mitrovic,

Eminent Belgrade physician gets murdered. The investigation is revealing dark side of his character - illegal abortions and abuse of his wife. Wife's lover is becoming the prime suspect. ...

Actors : Demeter Bitenc, Zlatko Madunic, Dusa Pockaj, Vanja Drach,
Directors : Jane Kavcic,

An emigrant returning after many years, is killed while trying to clear his name of treason. Investigation produces several skeletons.

Actors : Patrick Allen, Zena Walker, James Maxwell, 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 : Monica Gayle, Nona Carver, L.G. Allard, 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 : Elizabeth Shepherd, Alexander Davion, Barbara Shelley, William Sylvester,
Directors : Lance Comfort,

When the wife of a blind composer discovers that her husband will cut her out of his estate, if he discovers that she is having an affair with a young artist, she and her lover plan to commit the perfect murder.

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 : 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 : John Ireland, Sarah Miles, Laurence Harvey, Robert Walker Jr.,
Directors : Laurence Harvey,

A bank robber is sentenced to prison for committing a murder during the robbery. His brother comes up with a plan to break him out of prison--but on the condition that his brother's girlfriend "date" him first.

Actors : Kemi Ichiboshi, Eri Nakakôji,
Directors : Kan Mukai,

Kan Mukai investigates the then-shocking subject of female plastic surgery, with emphasis on breast enlargement. Eroduction starlets Eri Nakakoji and Kemi Ichiboshi offer their opinions of the subject.