The Three Investigators in The Secret of Terror Castle

A private detective goes after the kidnappers of his ex-girlfriend's son and becomes involved in a series of murders.

In the second screen version of The Maltese Falcon, a detective is caught between a lying seductress and a lady jewel thief.

A lovely dame with dangerous lies employs the services of a private detective, who is quickly caught up in the mystery and intrigue of a statuette...

Charlie Chan, with son Jimmy on a week's pass from the Army, takes up a request for help at a castle-home, miles from anywhere in the American desert...

Private detective and former football player Harry Moseby gets hired on to what seems a standard missing person case - a former Hollywood actress...

A detective must solve a case where a girl was murdered in a room--and all the doors and windows were locked from the inside.

Harry Crumb is a bumbling and inept private investigator who is hired to solve the kidnapping of a young heiress which he's not expected to solve...

A private investigator is confronted by the police AND the mob about the killing of a former private-eye associate.

Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn...

The Belgian detective Hercule Poirot investigates a series of murders in London in which the victims are killed according to their initials.

Private Investigator Philip Marlowe is hired by wealthy General Sternwood regarding a matter involving his youngest daughter Carmen. Before the...