Harper

In this gripping crime thriller set in Los Angeles, a private investigator is hired by a wealthy woman to find her missing husband. As he delves deeper into the case, he uncovers a web of deceit and illegal activities, including a human smuggling ring. With the help of his associate, the investigator encounters dangerous characters and narrowly escapes death. In the end, they uncover the truth behind the husband's disappearance, but not before facing off against the ruthless mastermind behind the criminal operation.

You can stream Harper on: Apple TV Amazon Store Fandango at Home

Some movies that have similar genres and were produced around the same time as Harper include Double Face, Four Flies on Grey Velvet, In the Heat of the Night, Klute, Fragment of Fear, Murder à la Mod.

Harper was released in theaters on March 30, 1966.