Best Investigation movies of 1960s

Actors : Lana Turner, Sandra Dee, Richard Basehart, Anthony Quinn,
Directors : Michael Gordon,

After a married woman and her lover murder her cruel husband, they find themselves targeted by someone who is aware of their crime.

Actors : Elina Pohjanpää, Joel Rinne, Leo Riuttu, Matti Ranin,
Directors : Matti Kassila,

A closed room mystery begins when an infamous tycoon is found dead in his bath tub. The famous police lieutenant Palmu is summoned to investigate.

Actors : Hywel Bennett, Hayley Mills, Billie Whitelaw, Phyllis Calvert,
Directors : Roy Boulting,

Martin is a troubled young man. With a mother who insists on treating him like a child, a stepfather who can't wait to see the back of him, and a brother with Down's Syndrome shut away in ...

Actors : Lionel Jeffries, Fred Astaire, Jack Lemmon, Kim Novak,
Directors : Richard Quine,

An American junior diplomat in London rents a house from, and falls in love with, a woman suspected of murder.

Actors : Anthony Quayle, John Neville, John Fraser, Donald Houston,
Directors : James Hill,

Sherlock Holmes and Dr. Watson join the hunt for the notorious serial killer, Jack The Ripper.

Actors : Carol Lynley, Flora Robson, Gig Young, Oliver Reed,
Directors : David Greene,

A series of horrific murders is traced to a creature that inhabits a very strange house.

Actors : Raymond St. Jacques, Calvin Lockhart, Judy Pace, Godfrey Cambridge,
Directors : Ossie Davis,

Gravedigger Jones and Coffin Ed Johnson are two black cops with a reputation for breaking the odd head. Both are annoyed at the success of the Reverend Deke O'Mailey who is selling trips ...

Actors : Horst Buchholz, José Ferrer, Valerie Gearon, Don Borisenko,
Directors : Mark Robson,

Fictional narrative of Hindu militant activist Nathuram Godse's plan to kill Mahatma Gandhi and of police officer Gopal Das' task to find the killer before it's too late.

Actors : Maurice Denham, Anita Ekberg, Robert Morley, Tony Randall,
Directors : Frank Tashlin,

Hercule Poirot investigates a series of murders in London in which the victims are killed according to their initials.

Actors : Catherine Allégret, Simone Signoret, Michel Piccoli, Jacques Perrin,
Directors : Costa-Gavras,

Six people travel in a railroad sleeping car from Marseilles to Paris. Upon their arrival, a woman is found dead in one of the berths. The police investigate the other five passengers, ...

Actors : Takeshi Katô, Mikiko Tsubouchi, Shintarô Katsu, Norihei Miki,
Directors : Akira Inoue,

After Zatoichi learns of his sensei's murder he uncovers a horrible conspiracy involving the local government and crime family.

Actors : Anthony Newlands, Christopher Lee, Heinz Drache, Leo Genn,

A circus becomes the location for stolen loot and murder.

Actors : Asha Parekh, Shammi Kapoor, Prem Chopra, Raj Mehra,
Directors : Vijay Anand,

A woman blames a nightclub drummer for the suspicious death of her sister, and seeks revenge. However, the pair work together to solve the mystery and become romantically involved, after he introduces himself under another name.

Actors : Elke Sommer, Sylva Koscina, Nigel Green, Richard Johnson,
Directors : Ralph Thomas,

British agent Bulldog Drummond is assigned to stop a master criminal who uses beautiful women to do his killings.

Actors : Itoko Harada, Peggy Neal, Shun'ya Wazaki, Eiji Okada,
Directors : Kazui Nihonmatsu,

The spaceship AAB-Gamma is dispatched from FAFC headquarters in Japan to make a landing on the planet Mars and investigate reports of UFOs in the area. As they near the red planet, they ...

Actors : Claudia Cardinale, Lee J. Cobb, Franco Nero, Tano Cimarosa,
Directors : Damiano Damiani,

Rosa Nicolosi is not the widow of Salvatore Colasberna, the man murdered in the beginning of the movie, but she is in fact the wife of Paolo Nicolosi, the only eyewitness of the murder. ...

Actors : Jean Gaven, André Pousse, Jean Gabin, Dany Carrel,
Directors : Georges Lautner,

Six months before his retirement from the criminal police, inspector Joss finds his colleague Gouvion dead, in a poorly faked suicide attempt. Joss loses his temper, and investigates on his...

Actors : Ângelo Assunção, Ronaldo Beibe, Andreia Bryan, José Mojica Marins,
Directors : José Mojica Marins,

Psychiatrist experiments LSD on 4 volunteers, to investigate Coffin Joe's influence over them. Each patient presents a different reaction, involving sex, perversion and sadism.

Actors : Deborah Kerr, Gary Cooper, Eric Portman, Diane Cilento,
Directors : Michael Anderson,

Five years after George Radcliffe was the chief witness in a high profile murder case, his wife receives a blackmailing letter accusing him of the crime.

Actors : Micheline Presle, Marcello Mastroianni, Salvo Randone, Cristina Gaioni,
Directors : Elio Petri,

Alfredo Martelli is picked up by the police in his apartment without justification. In the precinct, he slowly discovers what is the investigation about as we find out details about his life.