Best Investigation movies of 1960s

Actors : Lee Philips, Shepperd Strudwick, Lorraine Rogers, Jean Hale,
Directors : Richard Hilliard,

An axe murderer is loose in a small New England town.

Actors : Luciana Paluzzi, John Mills, Renate Kasché, Robert Hoffmann,
Directors : Massimo Dallamano,

When a possessive narcotics detective strongly suspects that his young beautiful wife is cheating on him, he hires a professional hitman to bump her off. All the while trying to solve a string of strange murders.

Actors : Victor Francen, Jean-Louis Barrault, Bourvil, Francis Blanche,
Directors : Jean-Pierre Mocky,

Two police inspectors Triquet and Vergus launch their investigations to arrest a dangerous escaped forger named Mickey Le Bénedictin.

Actors : Jean Marais, Jill Haworth, Dany Robin, Raymond Pellegrin,
Directors : André Hunebelle,

The Marquis Rodolphe de Sombrueil accidentally runs over a working man with his carriage and helps his widow -- unjustly accused of robbery -- to find her missing daughter.

Actors : Eve Bork, Michael Findlay, Ron Skideri, Linda Boyce,
Directors : Michael Findlay,

A weapons dealer who murdered his unfaithful stripper wife goes on a killing spree, bumping off exotic dancers and hookers while plotting revenge on his wife's lover.

Actors : Colin Blakely, Katherine Woodville, Nigel Patrick, Margaret Whiting,
Directors : Ken Annakin,

Scotland Yard Chief Inspector Johnnoe is investigating a string of bank robberies but the robbers are determined to compromise Johnnoe and the investigation.

Actors : John Wood, Dudley Sutton, Sammy Davis Jr., Peter Lawford,
Directors : Jerry Lewis,

Two night club owners find themselves in trouble with the law. One of them goes to his English Lord brother for help, and the Lord is later murdered. He swaps places with his dead brother to solve the murder.

Actors : James Booth, Shirley Jones, Stella Stevens, Honor Blackman,
Directors : Andrew L. Stone,

Arthur Tate rose to his fame, wealth and respectability quickly from humble beginnings as a naive and somewhat bumbling police constable in a small English town. He attributes this rise to ...

Actors : Janet Banzet, Donna Stone, Uta Erickson, Michael Findlay,
Directors : Michael Findlay,

A weapons expert who murdered his unfaithful stripper wife and her lover goes on a killing spree, bumping off exotic dancers and hookers, while plotting the demise of his wife's swinging bisexual sister and her kinky boyfriend.

Actors : Kayo Matsuo, Atsuo Nakamura, Akira Nakao, Yukiko Kobayashi,
Directors : Michio Yamamoto,

Keiko and her friend are trying to find her missing brother after he disappeared visiting his girlfriend Yuko.

Actors : Joan Collins, Judy Geeson, George Peppard, Oskar Homolka,
Directors : Sam Wanamaker,

A British intelligence agent must track down a fellow spy suspected of being a double agent.

Actors : Shirley Jones, Red Buttons, Carolyn Jones, Gig Young,
Directors : George Sidney,

The SOS from the boys upstairs bedroom is made by a Navy Signal Lamp, which was a gift from Uncle Cy.

Actors : Marianne Koch, Walter Rilla, Albert Lieven, Richard Todd,
Directors : Lawrence Huntington,

A British colonial policeman in Africa investigates a murder in a hospital up river.

Actors : Olive Denneccio, João Fernandes, Linda Southern, Larry Hunter,
Directors : Doris Wishman,

A seemingly pleasant fellow, Arthur goes berserk and rapes any woman in front of him wearing gold earrings. One woman tells the investigating detective (who is Arthur's uncle) she was raped...

Actors : Rajendra Kumar, Nana Palsikar, Nanda, Ashok Kumar,
Directors : B.R. Chopra,

A lawyer holds the eyewitness evidence to catch a killer, but the identified criminal is the lawyer's own mentor, prospective father-in-law, and also the judge who presides over the case.

Actors : Floretta Zana, Andreas Barkoulis, Mairi Hronopoulou, Nikos Kourkoulos,
Directors : Dinos Dimopoulos,

A former pilot Agelos Mourouzis, has thrown the drink and gambling. Someday down as chairman of a committee to investigate the causes of an airline tragedy, in which only one girl was saved...

Actors : David Janssen, Jacques Aubuchon, Jeanne Crain, Dina Merrill,
Directors : Joseph M. Newman,

A famous movie star's fan club secretary has been brutally murdered. She has in her office old newspaper clippings regarding a missing heiress. Did the secretary know something about the mystery of the heiress? David Janssen investigates.

Actors : Charles McGraw, Richard Kiley, Jean Seberg, George Peppard,
Directors : George Schaefer,

When police captain Frank Matthews is accused of murdering his adulterous wife and her lover he avoids arrest and sets out to find the killer.

Actors : Bernard Farber, George Ardisson, José Torres, Tony Kendall,
Directors : Pasquale Squitieri,

Framed for a bank robbery, bounty killer Django's brother, Steve is lynched. Django hunts down Sartana, Steve's supposed accomplice, but finds him innocent also. The two men seek out the ...

Actors : Dieter Eppler, Dante Posani, Barbara Bold, Ray Danton,
Directors : Jesús Franco,

An American secret agent is sent to Europe to track down a ring of counterfeiters. His investigation takes him from Rome to Albania, where he gets involved with a sexy Albanian police commissioner.