Best Investigation movies of 1970s

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 : 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 : Andrés Mejuto, Carlos Romero Marchent, Orchidea de Santis, Peter Lee Lawrence,
Directors : Rafael Romero Marchent,

After the killing of his father, Danny Lom finds work in a village, and with the help of the sheriff's daughter, investigates the crime.

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 : 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 : 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 : Chiang Chao, Chun Chao, Jackie Chen, Fu-fen Chao,
Directors : Hung-Chang Wang,

Two agents investigate missing ammunition from the Chinese military. Not a single shot is fired and it is all kung fu fighting start to finish.

Actors : Marília Pêra, Edson França, José Wilker, Daniel Filho,
Directors : Alberto Salvá,

Call girl is found dead in her apartment and the police has a special interest to solve the case, since the investigator was a friend of the family's. But there are too many big names in the list of suspects.

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 : Meredith MacRae, Clayton Wilcox, Greg Mullavey, 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 : 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 : Anthony Steel, Graham Stark, Robin Askwith, Fiona Richmond,
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 : Janet Agren, Chris Avram, Ettore Manni, Maurizio Merli,
Directors : Stelvio Massi,

Comissioneer Mariani leads investigates a group of kidnappers.

Actors : Monica Gayle, L.G. Allard, Nona Carver, 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 : 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 : Judy Morris, Jack Thompson, Shane Porteous, Jacqueline Kott,
Directors : Terry Ohlsson,

Sydney homicide detective Sergeant Scobie Malone and his offsider investigate the murder of Helga, whose corpse is found in the basement of the Sydney Opera House.

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

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

Actors : Marthe Keller, Maurice Ronet, Karin Dor, Raymond Pellegrin,
Directors : Alfred Vohrer,

The yacht of millionaire Hellmann explodes in the Mediterranean Sea, with him and 8 men crew on board. Insurance agent Lucas investigates at the Cote D'Azur, because there's the suspicion ...

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 : 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.