Best Investigation movies of 1966

Actors : Ann Lane, Diane Durette, Ralph G. Edwards, Durline Dunham,
Directors : George Gunter,

A man goes to a "psychic adviser" with a problem--he's a "peeping Tom". He's also, as the adviser is slowly realizing, a psychotic serial killer who can't help bragging about the rapes and ...

Actors : Mark Burns, Wanda Ventham, Shaun Curry, William Dexter,
Directors : Frederic Goode,

An undercover agent is sent to investigate dope smuggling on a sun-drenched Mediterranean island. When both of his principal subjects die in mysterious reasons, he soon finds that he is also involved in a murder investigation.

Actors : Milton Gonçalves, Larry Carr, Cláudio Cavalcanti, Wilson Grey,
Directors : Victor Lima,

Mysterious man, identifying himself only as "Professor", hires private eye Belo for a most unusual mission: he knows he's going to be murdered, and wants the detective to identify the ...

Actors : Jesús Puente, Gaia Germani, Alfredo Mayo, Luis Dávila,
Directors : Giorgio Stegani,

Doctor Morrow, a scientist who works for NASA, has mysteriously disappeared and the agent Lemmy Logan is in charge of the case.

Actors : Marcello Mastroianni, Guido Alberti, Raquel Welch, Leopoldo Trieste,
Directors : Eduardo De Filippo,

Stuck in a dream world of his own, Italian sculptor Albert Saporito sometimes has difficulty separating truth from fiction. When he dreams that his gangster neighbor has been murdered, he ...

Actors : Michel Simon, Raymond Rouleau, Jean-Roger Caussimon, Pierre Brasseur,
Directors : Ivan Govar,

Trouble in a little town where a serial killer is at large.

Actors : Stephen Craig, Anthony Bate, Patrick Crockford, Elizabeth Bradley,
Directors : Frederic Goode,

A group of children on holiday in Malta join an aqua-lung diving class. One of them discovers a wreck, and disobeying instructions decides to investigate on his own, with near serious consequences.

Actors : Julie Yeh Feng, Hsieh Wang, Ling Wen, Chung-Hsin Huang,
Directors : Lei Pan,

Chief detective Lu is puzzled by the mysterious murder of two of his informers planted at the Black Widow Nightclub, a front for a local drug-smuggling ring.

Actors : Richard Harrison, Hélène Chanel, Dominique Boschero, Giacomo Rossi Stuart,

Investigator Fred Lester uncovers a killer using an air pistol firing chemical bullets in the swinging '60s spy thriller RING AROUND THE WORLD, a globe-hopping escapade featuring a ...

Actors : Luciana Paluzzi, Guy Deghy, Andrew Faulds, Dale Robertson,
Directors : John Ainsworth,

In Nassaum, a border town in an intrigue-infested Central European republic, the body of Dr. Charles Berens, Chief of the United Nations Medical Relief Organization, is seen hurtling from ...

Actors : Elena Espejo, Rocío Jurado, José Toledano, Giancarlo Del Duca,
Directors : Rafael J. Salvia,

A famous cabaret singer, Rosa Lucena, is accused of murdering Michael, her dance partner. She gets arrested, but there are not enough evidences of her guilt, so the judges decide to investigate hes past.