Best Murder Mystery movies of 1970s

Actors : Albert Brooks, Jodie Foster, Robert De Niro, Cybill Shepherd,
Directors : Martin Scorsese,

A mentally unstable Vietnam War veteran works as a night-time taxi driver in New York City where the perceived decadence and sleaze feeds his urge for violent action, while attempting to save a preadolescent prostitute in the process.

Actors : Sissy Spacek, Ramon Bieri, Warren Oates, Martin Sheen,
Directors : Terrence Malick,

An impressionable teenage girl from a dead-end town and her older greaser boyfriend embark on a killing spree in the South Dakota badlands.

Actors : Clint Eastwood, Reni Santoni, Harry Guardino, Andrew Robinson,
Directors : Don Siegel,

When a mad man calling himself 'the Scorpio Killer' menaces the city, tough as nails San Francisco Police Inspector Harry Callahan is assigned to track down and ferret out the crazed psychopath.

Actors : Edward G. Robinson, Leigh Taylor-Young, Charlton Heston, Chuck Connors,
Directors : Richard Fleischer,

In the world ravaged by the greenhouse effect and overpopulation, an NYPD detective investigates the murder of a big company CEO.

Actors : Ingrid Bergman, Sean Connery, Lauren Bacall, 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 : Al Pacino, Paul Sorvino, Richard Cox, Karen Allen,
Directors : William Friedkin,

A police detective goes undercover in the underground S&M gay subculture of New York City to catch a serial killer who is preying on gay men.

Actors : Hal Holbrook, Clint Eastwood, Mitchell Ryan, David Soul,
Directors : Ted Post,

Dirty Harry is on the trail of vigilante cops who are not above going beyond the law to kill the city's undesirables.

Actors : Roy Scheider, Jane Fonda, Charles Cioffi, Donald Sutherland,
Directors : Alan J. Pakula,

A small-town detective searching for a missing man has only one lead: a connection with a New York prostitute.

Actors : Mia Farrow, Peter Ustinov, Jane Birkin, Simon MacCorkindale,
Directors : John Guillermin,

As Hercule Poirot enjoys a luxurious cruise down the Nile, a newlywed heiress is found murdered on board. Can Poirot identify the killer before the ship reaches the end of its journey?

Actors : Jennifer Warren, Gene Hackman, Harris Yulin, Edward Binns,
Directors : Arthur Penn,

Los Angeles private detective Harry Moseby is hired by a client to find her runaway teenage daughter and he stumbles upon a case of murder and artifact smuggling.

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 : John Hurt, Judy Geeson, Pat Heywood, Richard Attenborough,
Directors : Richard Fleischer,

Based on the real-life case of the British serial killer John Christie, and what happened to his neighbors Tim and Beryl Evans.

Actors : Frank Adu, Anthony Quinn, Yaphet Kotto, Anthony Franciosa,
Directors : Barry Shear,

Two New York City cops go after amateur crooks who are trying to rip off the Mafia and start a gang war.

Actors : Vivien Merchant, Sean Connery, Trevor Howard, Ian Bannen,
Directors : Sidney Lumet,

A burned-out British police detective finally snaps while interrogating a suspected child molester.

Actors : Ben Johnson, Dawn Wells, Jimmy Clem, Andrew Prine,
Directors : Charles B. Pierce,

A Texas Ranger hunts for a hooded serial killer terrorizing the residents of a small town, set in 1946 Texas. Loosely based on a true story.

Actors : Deborah Raffin, Sylvia Sidney, Sandy Dennis, Tony Lo Bianco,
Directors : Larry Cohen,

A New York detective investigates a series of murders committed by random New Yorkers who claim that "God told them to."

Actors : Vincent Price, Judy Huxtable, Peter Cushing, Christopher Lee,
Directors : Gordon Hessler,

A serial killer who drains his victims' blood is on the loose in London; the police follow him to a house owned by an eccentric scientist.

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 : Bruce Dern, Louis Gossett Jr., Albert Paulsen, Walter Matthau,
Directors : Stuart Rosenberg,

In San Francisco, one victim in a mass murder is a police detective. His partner and a new partner investigate in the city's seamy side.

Actors : Marthe Keller, John Gielgud, Marlon Brando, George C. Scott,
Directors : John G. Avildsen,

The synthetic fuel production formula, invented by the Nazis at the end of WW2, is sought after by some who aim to sell it and by others who wish to destroy it.