Best Investigation movies of 1960s

Actors : Jaishankar, Vijayanirmalaya, Cho Ramaswamy,
Directors : Thirumalai,

A CID officer investigate the peculiar murder case of a rich man.

Actors : John Hoyt, Arlene Martel, Elisha Cook Jr., Bob Kelljan,
Directors : Antonio Santean,

Two detectives investigate the murder of a local businessman by a mysterious woman.

Actors : Tony Louis, Marilyn O'Connor, Jeanne Baird, Doug Wilson,
Directors : Charles Davis,

In this obscure B potboiler, a longtime criminal returns to his native Los Angeles, determined to avenge his brother's murder.

Actors : Stephen Craig, Anthony Bate, Patrick Crockford, Elizabeth Bradley,
Directors : Frederic Goode,

A group of children on holiday in Malta join an aqua-lung diving class. One of them discovers a wreck, and disobeying instructions decides to investigate on his own, with near serious consequences.

Actors : Ray Sebastian, Michael Donovan O'Donnell, Suzanne Fields, Barbara Mills,

Undercover reporter Melody Anthem investigates the goings-on that are happening at Miss Grundy's finishing school for girls. Naturally, Melody finds out that the distaff students are ...

Actors : Kerry Anderson, Anna Pavane, William Campbell, Patrick Magee,
Directors : Rados Novakovic,

A plan to steal a valuable work of art leads to murder.

Actors : Teruo Yoshida, Mako Sanjô, Yôko Mihara, Junko Ikeuchi,
Directors : Teruo Ishii,

A man meets a woman. He is wrongfully suspected for the murder of her lover. She is a pick-pocket who's involved in an organized crime against her will. They pursue the truth of the murder and the secret of the prostitution syndicate.

Actors : Ziva Rodann, Walter Reed, June Wilkinson, William Wellman Jr.,
Directors : Douglas Fowley,

A writer who specializes in exposing fake witchcraft journeys to Brazil to investigate a voodoo cult.

Actors : Rose Conti, Uta Erickson, John Damon, Sharon Kent,
Directors : Larry Crane,

Investigators enlist the aid of a call girl to capture a dangerous killer praying on local mobsters.

Actors : William Kerwin, Joy Hodges, Sunny Dare, Virginia Bell,
Directors : Herschell Gordon Lewis,

A young millionaire is obsessed by a woman he keeps dreaming about but doesn't know. After an investigation, he discovers that she is a large-breasted stripper who spends a lot of time in a nudist camp. He decides to follow her there.

Actors : Mario Montenegro, Lolita Rodriguez, Jose Padilla Jr., Johnny Monteiro,
Directors : Ding M. De Jesus,

BIG NAME TO BEHOLD his manhunt for revenge branded him a bandit.

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 : Seok-hun Kim, Aeng-ran Eom,
Directors : Eung-cheon Kim,

A police detective begins an investigation of a pawn broker's murder and starts to receive increasingly threatening phone calls each night.

Actors : Seok-hun Kim, Hae Hwang, Mi-ryeong Jo,
Directors : Muk Kim,

A detective's case against a murder suspect is derailed wehn the suspect's girlfriend supplies an alibi. Knowing that the woman is lying, but unable to prove it, the investigation is forced to start from scratch.

Actors : Edward Yastin, Ernest D'Aversa, George Ellis, Erin Fleming,
Directors : Massey Cramer,

A small-town newspaperman begins to suspect that a wave of murders committed in the area may not be the work of a serial killer but a monster.

Actors : Hyang Lee, Seok-hun Kim, Kyeong-hie Lee, Hae Hwang,
Directors : Beom-gu Kang,

A police detective is surprised and dismayed when he discovers his old army buddy has become a murderer. However, he also realizes that his friend was not solely responsible and he redoubles his efforts to learn who ordered the killing

Actors : Tarun Bose, Sujit Kumar, Biswajeet, Mala Sinha,
Directors : Moni Bhattacharjee,

Inspector Shankar (Biswajeet) is assigned to investigate the mysterious death of Sunder Singh (Sujit Kumar). During this process, he meets a beautiful young and rich heiress named Sheil (...

Actors : Johnny Walker, Dev Anand, Chandrashekhar, Waheeda Rehman,
Directors : Shankar Mukherjee,

Neela is in police custody for committing a murder. Believing that she did it, she confesses. When renowned lawyer, Rajeshwar decides to represent her, he accepts her guilt, but as he goes ...

Actors : Linda Marlowe, Jack May, Gilbert Wynne, Justine Lord,
Directors : Lindsay Shonteff,

A Jack the Ripper-type serial killer is loose in London. Suspicion falls on a transvestite judge.

Actors : Herval Rossano, Odete Lara, Oswaldo Loureiro, Dercy Gonçalves,
Directors : Euripides Ramos,

Civil servant finds about a group of mill owners who are defrauding some Government taxes. They try to buy him offering a considerable sum, hoping he would lay off the investigation, but he resists.