Best Investigation movies of 1970s

Actors : Robert Woods, Carlo Gaddi, Frank Braña, Nieves Navarro,
Directors : Mario Bianchi,

Ginsburg, undercover as Jonathan Pinkerton, an employee of Lloyds of London, is investigating a bank robbery where one of the three thieves has killed the other two to take possession of all the money.

Actors : Oh-jang Mun, Geun-hyeong Park, Chi-woo Lee, Yeon-jeong Woo,
Directors : Won-se Lee,

Kim Jong-won, a communist operative in South Korea, turns himself in and assists the Special Investigation Unit to bring the other members of his organization to trial.

Actors : Anthony Steel, Graham Stark, Fiona Richmond, Robin Askwith,
Directors : James Kenelm Clarke,

A soldier returning from World War II gets mixed up in a series of murders and mistaken identies regarding a cigarette lighter than affects all electric power.

Actors : Ángel del Pozo, Stelio Candelli, Silvia Solar, Gillian Hills,
Directors : Juan Bosch,

A murder of a man in an airport restroom leads to a series of mysterious killings in London.

Actors : Eizô Kitamura, Makoto Fujita, Junko Inagawa, Yoshio Harada,
Directors : Seijun Suzuki,

A police detective tries to investigate the mystery of a victim who was shot in the head, but no bullet was found.

Actors : Meredith MacRae, Greg Mullavey, Clayton Wilcox, Carolyn Ames,
Directors : Paul Leder,

A Vietnam veteran goes on a crime spree and starts torturing and killing men he served in the army with.

Actors : Moran Li, Lan Gu, Ke Poo, Qi Da,
Directors : Xinshui Zhao,

A spy is shot dead at the border of North China. Investigator believe that there must be another spy crossing the border elsewhere at the same time.

Actors : Hui Ouyang, Bruce Le, Fang-Hsia Chang, Fei Lung,
Directors : Kuan-Chang Li,

A fan of Bruce Lee investigates the martial arts master's death.

Actors : Paul Meurisse, Bruno Cremer, Mimsy Farmer, Michel Bouquet,
Directors : Michel Wyn,

A young American tourist is found dead in the south of France. The possible culprits are numerous so the police investigates to discover what she's done during the five weeks she spent in France before being murdered.

Actors : Reiko Ôhara, Mitsuko Kusabue, Yôko Tsukasa, Kôji Ishizaka,
Directors : Kon Ichikawa,

A scruffy detective investigates the murders of three sisters on a small Japanese island in 1946.

Actors : Janet Agren, Chris Avram, Ettore Manni, Maurizio Merli,
Directors : Stelvio Massi,

Comissioneer Mariani leads investigates a group of kidnappers.

Actors : Betty Arvaniti, Zoras Tsapelis, Nikos Kourkoulos, Hristos Daktylidis,
Directors : Petros Lykas,

A neurosurgeon makes an operation on a patient, but after the operation disappears. Forced to investigate the same case and discovers that the patient is a victim of interests of ...

Actors : Ji-hye Kim, Jang Lee Hwang, Jang-kang Heo, Bobby Kim,
Directors : Young Nam Ko,

An Interpol agent is asked to stop an assassignation attempt and to investigate the strange circumstances of a suspicious inheritance.

Actors : Anjanette Comer, Gabriel Dell, Joyce Van Patten, Will Geer,
Directors : Dean Hargrove,

A chicken hatchery owner (and novice private eye) tries to solve the arrow murder of local milkman, philanderer and animal fetishist.

Actors : Tao-Liang Tan, Lingfeng Shangguan, Shen-Lin Chen, Yuan Chuan,
Directors : Hung Tao,

After the famous General Stone is stricken down in battle under mysterious circumstances, his talented son Flash Legs (Tan Tao Liang) vows to investigate the strange death and get to the truth of the matter.

Actors : Dai Ling, Ti Ai, Yen Ho, Hsi Tang,
Directors : Chi Lu,

Three females from a private detective agency are hired to find out what happened to a man who went missing while scuba diving.

Actors : Prem Nath, Rekha, Shashi Kapoor, Bindu,
Directors : B.R. Ishara,

Concerned over the rising death of low-caste people in a remote town in India, the Central Bureau of Investigation assigns this task to Inspector Ravi Kapoor and instructs him to go ...

Actors : Narendra Nath, Aruna Irani, Jyothi Lakshmi, Anil Dhawan,
Directors : K.S.R. Doss,

Anu joins the Criminal Investigations Division of the Indian Police when her father is killed, and her mother is brutally assaulted by a woman named Sonu. She meets a wealthy male named ...

Actors : Mecha Ortiz, John Gavin, Yvonne De Carlo, Leonor Manso,
Directors : Ricardo Wullicher,

Audrey investigates a murder that occured 23 years ago in a dark mansion. She searches for the dead body, the killer, and the truth.

Actors : Corinne Carol, Julie Margo, Patrice Valota, Jacques Bouanich,
Directors : Philippe Monnier,

Corentin and Brichot investigate drug trafficking in Fort-de-France, Martinique.