Best Investigation movies of 1974

Actors : Perry Lopez, Faye Dunaway, Jack Nicholson, John Huston,
Directors : Roman Polanski,

A private detective hired to expose an adulterer finds himself caught up in a web of deceit, corruption, and murder.

Actors : Ingrid Bergman, Lauren Bacall, Sean Connery, Albert Finney,
Directors : Sidney Lumet,

In December 1935, when his train is stopped by deep snow, detective Hercule Poirot is called on to solve a murder that occurred in his car the night before.

Actors : Paula Prentiss, William Daniels, Walter McGinn, Warren Beatty,
Directors : Alan J. Pakula,

An ambitious reporter gets in way-over-his-head trouble while investigating a senator's assassination which leads to a vast conspiracy involving a multinational corporation behind every event in the world's headlines.

Actors : Cristina Galbó, Ray Lovelock, Arthur Kennedy, Aldo Massasso,
Directors : Jorge Grau,

A cop chases two hippies suspected of a series of Manson family-like murders; unbeknownst to him, the real culprits are the living dead, brought to life with a thirst for human flesh by chemical pesticides being used by area farmers.

Actors : Robert Mitchum, Herb Edelman, Ken Takakura, Brian Keith,
Directors : Sydney Pollack,

Harry Kilmer returns to Japan after several years in order to rescue his friend George's kidnapped daughter - and ends up on the wrong side of the Yakuza, the notorious Japanese mafia...

Actors : Maximilian Schell, Maria Schell, Jon Voight, Mary Tamm,
Directors : Ronald Neame,

Following the suicide of an elderly Jewish man, a journalist in possession of the man's diary investigates the alleged sighting of a former SS captain, who allegedly commanded a concentration camp during WWII.

Actors : Jerry Daugirda, James McIntyre, H.B. Halicki, Marion Busia,
Directors : H.B. Halicki,

Insurance investigator Maindrian Pace and his team lead double-lives as unstoppable car thieves. When a South American drug lord pays Pace to steal 48 cars for him, all but one, a 1973 Ford...

Actors : Eddie Albert, Diana Muldaur, Colleen Dewhurst, John Wayne,
Directors : John Sturges,

Seattle cop Lon McQ investigates the murder of his best friend and the corruption within the police department.

Actors : Vincent Price, Robert Quarry, Adrienne Corri, Peter Cushing,
Directors : Jim Clark,

A horror movie star returns to his famous role after years in a mental institution. But the character seems to be committing murders independent of his will.

Actors : Ryouko Ima, Yayoi Watanabe, Yumi Takigawa, Emiko Yamauchi,
Directors : Noribumi Suzuki,

In order to investigate her mother's strange death, a woman enters a sacred convent run by hypocritical, perverse nuns.

Actors : Franco Fabrizi, Giovanna Ralli, Claudio Cassinelli, Mario Adorf,
Directors : Massimo Dallamano,

Police investigate apparent suicide of teen girl and uncover details of a teenage prostitution racket. They go on the hunt for a motorcycle riding killer.

Actors : Yôko Shimada, Kensaku Morita, Gô Katô, Tetsurô Tanba,
Directors : Yoshitarô Nomura,

Detectives investigate the murder of an old man found in a Tokyo rail yard.

Actors : Jennifer Stock, Tawm Ellis, Alan Brock, Michael Harris,
Directors : Michael Findlay,

A group of college students are led by their professor into the mountains in search of the Yeti. The students start to be killed off one by one.

Actors : Morgan Woodward, Burt Lancaster, Cameron Mitchell, Susan Clark,

An ex-con, once a cop, now working as security in a college, decides to investigate the murder of one of the students, a daughter of a senator.

Actors : Ian Bannen, Guido Mannari, Elizabeth Taylor, Mona Washbourne,
Directors : Giuseppe Patroni Griffi,

Mentally disturbed spinster Lise experiences a series of bizarre encounters in Rome as she searches for someone to murder her.

Actors : Diana Lorys, Paul Naschy, Eduardo Calvo, Eva León,
Directors : Carlos Aured,

An ex-convict, troubled by dreams that he strangles women, is hired as the caretaker on an estate owned by three very strange sisters. Soon after his arrival, a serial killer begins ...

Actors : Mascha Gonska, Romy Schneider, Philippe Brizard, Michel Piccoli,
Directors : Francis Girod,

A cunning French legal adviser teams up with an unemployed German girl and her sister to commit murders in Marseille.

Actors : Philippe Clay, Cindy Eilbacher, Tsilla Chelton, Marcel Marceau,
Directors : William Castle,

A mute puppeteer uses a deceased scientist's invention to control dead bodies like puppets.

Actors : Preston Pierce, Georgina Spelvin, Susie Ewing, Rosalind Miles,
Directors : Al Adamson,

A team of girls go on a killing spree across the country.

Actors : Lino Ventura, Paula Kelly, Isaac Hayes, Fred Williamson,
Directors : Duccio Tessari,

An ex-convict priest and a framed former policeman hunt a machine-gun killer behind a bank robbery.