In San Francisco, detective partners Jack Packard and Doc Long are hired by socialite Jefferson Monk who believes someone is following him with the aim to kill him.
"The Unknown" was the final entry in Columbia’s I Love A Mystery series. A woman hires two detectives to keep her alive long enough to claim her inheritance.
Jane Marple solves the mystery when a local woman is poisoned and a visiting movie star seems to have been the intended victim.
A duel between a suspected murderer and a detective pressed by people who want results. But whose skin is really wanted?
A private detective takes on a case that involves him with three eccentric criminals, a beautiful liar, and their quest for a priceless statuette.
Wisecracking reporter Carl Kolchak investigates a string of murders in Las Vegas and suspects the culprit is a vampire. His editor thinks he's crazy and the police think he's a nuisance, so Kolchak takes matters into his own hands.
A woman fights to convince the police that she witnessed a murder while looking out her bedroom window.
Upon waking up to the news that the man she’d gone on a date with the previous night has been murdered, a young woman with only a faint memory of the night’s events begins to suspect that she murdered him while attempting to resist his advances.
Inspector Jacques Clouseau, smitten with the accused maid Maria Gambrelli, unwittingly turns a straightforward murder investigation into a comedic series of mishaps, testing the patience of his irritable boss Charles Dreyfus as casualties mount.
A murderer is brought to court and only Miss Marple is unconvinced of his guilt. Once again she begins her own investigation.
Charles Dreyfus, who has finally cracked over inspector Clouseau's antics, escapes from a mental institution and launches an elaborate plan to get rid of Clouseau once and for all.
In Acapulco, Hercule Poirot attends a dinner party in which one of the guests clutches his throat and suddenly dies. The causes seem to be natural until another party with most of the same guests produces another corpse.
Sherlock Holmes and Dr. Watson find themselves in 1890s London in this holiday special.
When a woman is found dead with her throat torn out, the local villagers blame a supernatural monster. But Sherlock Holmes, who gets drawn into the case from nearby Quebec, suspects a human murderer.
Nancy Drew, a smart high schooler with a penchant for keen observation and deduction, stumbles upon the haunting of a local home. A bit of an outsider struggling to fit into her new surroundings, Nancy and her pals set out to solve the mystery, make new friends, and establish their place in the community
Private eye Phillip Marlowe wants to get out of the detective racket and into crime writing. But when he's called to the office of editor Adrienne Fromsett, it's not to talk about his story ideas — she wants him to locate the missing wife of her boss, Mr. Kingsby. The assignment quickly becomes complicated when bodies start turning up.
A routine investigation of a shocking murder takes a bizarre twist when the killer contacts the reporter and appoints him his personal spokesman. As the killer's calls and clues increase, the reporter is lured into a deadly trap.
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 known as the Maltese Falcon.
A film projectionist longs to be a detective, and puts his meager skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
An unemployed drifter, Eric Stanton wanders into a small California town and begins hanging around the local diner. While Eric falls for the lovely waitress Stella, he also begins romancing a quiet and well-to-do woman named June Mills. Since Stella isn't interested in Eric unless he has money, the lovelorn guy comes up with a scheme to win her over, and it involves June. Before long, murder works its way into this passionate love triangle.
On a train headed for England a group of travelers is delayed by an avalanche. Holed up in a hotel in a fictional European country, young Iris befriends elderly Miss Froy. When the train resumes, Iris suffers a bout of unconsciousness and wakes to find the old woman has disappeared. The other passengers ominously deny Miss Froy ever existed, so Iris begins to investigate with another traveler and, as the pair sleuth, romantic sparks fly.
A spectacular heist starts to unravel as the crooks take it on the lam.
Jim Bannon
Jack Packard
Anita Louise
Janet Mitchell
Michael Duane
Rex Kennedy
Barton Yarborough
Doc Long
Paul E. Burns
Leon Hartman
Thomas E. Jackson
Det. Capt. Quinn
Mona Barrie
Louise Mitchell
Frank Wilcox
Prof. Arthur Logan
Richard Hale
Curator Raymond Halliday
Ludwig Donath
Dr. Karger
Mary Newton
Nurse
Edward Earle
E. R. Willard
