Best Investigation movies of 1976

Actors : Gregory Peck, David Warner, Harvey Stephens, Lee Remick,
Directors : Richard Donner,

Mysterious deaths surround an American ambassador. Could the child that he is raising actually be the Antichrist? The Devil's own son?

Actors : Bruce Dern, Barbara Harris, Karen Black, William Devane,
Directors : Alfred Hitchcock,

A phony psychic/con artist and her taxi driver/private investigator boyfriend encounter a pair of serial kidnappers while trailing a missing heir in California.

Actors : Eileen Brennan, Alec Guinness, Peter Falk, Peter Sellers,
Directors : Robert Moore,

Five famous literary detective characters and their sidekicks are invited to a bizarre mansion to solve an even stranger mystery.

Actors : Yul Brynner, Peter Fonda, Blythe Danner, Arthur Hill,
Directors : Richard T. Heffron,

Upon uncovering the dirty secret of futuristic theme-park Futureworld, an ex employee is killed after he tips-off 2 other reporters who decide to do an undercover investigation.

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 : Marjoe Gortner, Pamela Franklin, Jon Cypher, Ralph Meeker,
Directors : Bert I. Gordon,

A group of friends travel to a remote Canadian island to hunt, only to be attacked by giant killer animals which have populated the place.

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 : Maria Luisa Santella, Francesco Anniballi, Maria Bosco, Nino Manfredi,
Directors : Ettore Scola,

Four generations of a family live crowded together in a cardboard shantytown shack in the squalor of inner-city Rome. They plan to murder each other with poisoned dinners, arson, etc. The ...

Actors : Martin Balsam, John Cassavetes, Charlton Heston, Beau Bridges,
Directors : Larry Peerce,

A psychotic sniper plans a massive killing spree in a Los Angeles football stadium during a major championship game. The police, led by Captain Peter Holly (Charlton Heston) and SWAT ...

Actors : Sven Wollter, Carl-Gustaf Lindstedt, Håkan Serner, Thomas Hellberg,
Directors : Bo Widerberg,

Police lieutenant Nyman is murdered in his hospital bed and Martin Beck and his colleagues have another murder to solve. They discover that Nyman was a very tough policeman who received ...

Actors : Bruno Cremer, Jean Négroni, Patrick Fierry, Jean-Paul Belmondo,
Directors : Philippe Labro,

L'Alpagueur is a free-lance spy from the French secret agency. He's put on the investigation about L'epervier, a serial-killer who employs young boys to help him robbing banks before ...

Actors : Marcel Bozzuffi, Lino Ventura, Paolo Bonacelli, Tino Carraro,
Directors : Francesco Rosi,

A detective (inspector Rogas) is assigned to investigate the mysterious murders of some Supreme Court judges. During the investigation he discovers a complot that involves the Italian ...

Actors : François Périer, Stefania Sandrelli, Simone Signoret, Yves Montand,
Directors : Alain Corneau,

An inspector is having a secret relationship with a woman. When she is murdered by his boss, all proof is against him.

Actors : Steve Vincent, John F. Goff, Douglas Gudbye, Verkina Flower,
Directors : Stu Segall,

Two police detectives try to catch a serial killer who is stalking a rural California drive-in theater, randomly killing people with a sword.

Actors : Andreas Mannkopff, Klaus Kinski, Josephine Chaplin, Herbert Fux,
Directors : Jesús Franco,

A serial killer whose mother was a prostitute starts killing streetwalkers as a way of paying back his mother for her abuse.

Actors : Renzo Palmer, Fabio Testi, Orso Maria Guerrini, Vincent Gardenia,
Directors : Enzo G. Castellari,

Nico Palmieri is a police inspector who battles against hoodlums terrorising a sleepy Italian village, extorting cash from the locals.

Actors : David McCallum, Eric Server, Sandra McCabe, George Wyner,
Directors : Burt Brinckerhoff,

A pack of dogs go on a killing spree.

Actors : Yôko Shimada, Teruhiko Aoi, Mieko Takamine, Kôji Ishizaka,
Directors : Kon Ichikawa,

After the death of the Father , His family are gathered to share Inheritances , but suddenly a woman with a mysterious masked man arrive there , claiming to be the other wife of the man ...

Actors : Natsuko Yashiro, Tamaki Katsura, Yôko Azusa, Yuri Yamashina,
Directors : Yasuharu Hasebe,

Two restaurant employees begin a torturous and sexual killing spree after they accidentally kill a hitch hiker and find that murder and mutilation is their mutual aphrodisiac.

Actors : Johnnie Hill, Emerson Boozer, Owen Watson, René Van Clief,
Directors : Michael Fink,

The female head of a detective agency is hired by a crime lord to figure out who's taking his action.