Markham (Ray Milland) fears that a prince traveling with a mysterious girl may be a notorious killer.
Markham (Ray Milland) goes after art thieves who murdered a museum guard.
Markham tries to locate a fortune stolen from a small country. Private Investigator Markham (Ray Milland) goes to Paris to check on a lovely Spanish lady. Coleen Gray is the lady in question and she's very fetching.
Young woman hires Markham to probe seance cult involving her wealthy aunt.
Markham's client: a Canadian industrialist accused of assault. A Canadian mining executive faces an assault charge.
An ex-lawyer suspects that killers are trailing his daughter---to get back at him.
A crank's bombing of empty buildings finally kills a man.
A newspaper gossip item aids Markham's probe of a series of jewel thefts.
Markham, on vacation in Venice, helps a woman prove she's not a killer.
A bank hires Markham (Ray Milland) to look into the fatal shooting of a wealthy client.
Missing pearls trigger Markham's protection of a young girl who says she knows nothing about them.
A missing man's wife is haunted by the fear that she may have accidentally killed him.
Counterfeit stamps are flooding the London rare-stamp market.
A woman thinks her husband ran off with another woman and asks Markham (Ray Milland) to find him.
A Mexican boy is charged with killing an anthropologist.
On vacation in Guatemala, Markham is asked to find a woman's vanished husband.
Ray Milland as the private Investigator is called to Hollywood when a multi-million dollar studio is being sabotaged.
A rich beauty is killed in a boat "accident" and Markham has an address book full of suspects.
Death threats prompt an actress to hire Markham for protection.
An English girl with a large Swiss bank account is trying to keep her finances secret from her government.
Markham's nephew asks his uncle's protection when he visits an eccentric family.
Kitty Brady (Jean Howell) is sure the death of her trucker father was no accident.
A ship's first mate is infected by a deadly South Seas virus that threatens a plague.
Charged with murder: the victim's son.
An old friend asks Markham to help clear a woman suspected of murder.
Markham uses a fake jewel theft to smoke out a vital witness in East Africa.
Roy Markham returns to his apartment one night and finds a chloroformed girl there. Then three hoodlums step out of the next room and tell Markham they are going to use his apartment as a hideout until ransom is paid for the kidnaped girl.
An old schoolmate asks Markham (Ray Milland) to save him from a murderous woman.
Markham becomes a target for an assassin when he is hired to impersonate mysterious international financier Max Bossman—whose enemies are numerous the world over— but Markham finds some pleasure in the assignment because he travels across Europe with Bossman's wife, Friday.
An ex-con hires Markham to find his daughter---whom he's never seen.
Two crooked cops pursue a small boy who saw them kill a gangster.
Markham flies to Honolulu to investigate a woman's claim that her husband is trying to kill her.
Starting with this episode series moves to CBS Thursdays 9:30 PM ET. “Markham," starring Ray Milland as private investigator Roy Markham, who roams the world for his clients. Not much change in the format, though. For instance, tonight Markham gets wounded by an assailant and the trail of the suspected gunman leads to a doctor and his nurse who is trying to protect her ex-convict husband.
On a train trip to Florida, Markham (Ray Milland) is confronted by a girl who claims her life is in danger.
A wealthy couple fear that their daughter may try to kill herself.
A lovely small-town girl becomes involved in a plot to kill.
A sculptor goes berserk and kills his wife when he becomes suspicious of her meetings with his old friend Markham (Ray Milland).
A valuable old scroll has been stolen from a Lebanese monastery.
When a house is deemed haunted, Markham (Ray Milland) is hired to evict the ghost.
Markham goes ghost hunting in historic Barkley Manor.
The search for a missing girl seems at a standstill---until her French friends turn up a clue.
Markham has a wild reunion with his fraternity brothers: one's planning suicide, another's planning murder.
There's no mystery to Markham tonight. We see Jerry Clive strafing the nitro trucks, and pretty quickly Markham (Ray Milland) realizes that his old wartime buddy is the man responsible. The problem for Markham is to stop Clive, hold off a couple of predatory females and bring peace to our time.
A young rival challenges a veteran waterfront boss.
After witnessing a gangland "execution," a woman flees to Mexico.
A British writer nominated for the Nobel Prize won't receive it---because he can't be found.
DA Jason Boon's daughter has been kidnaped to prevent his pursuing a case against a syndicate boss.
Markham may have trouble finding a vanished American tourist: he looks just like a deported gangster.
A rash of murders seems to be the work of one man.
Suzanne Lloyd stars as the femme fatale of an escort bureau in Rome who thinks Roy Markham can fit into her money-making scheme. Markham decides he must disguise himself as a dapper gigolo in order to discover the murderer of an old friend, Sam Roth.
Markham's after the person who stole a sick child's dog.
A best-selling novel pictures Markham (Ray Milland) as he is known by only one person---a dead man.
A blackmailer outwits Markham on top of a New York apartment house.
Pint-size newsboy Jimmy Standish carries a king-size grudge against his stepfather-to-be.
Markham has another new one tonight, although you'd never know it if we didn't tell you. The plot is so old and the twists and turns so familiar, you’ll insist you've seen it before. It does have the advantage of two pretty girls—Lisa Gaye and Abbagail Shelton — both involved with a nightclub owner who turns up dead. There's one funny scene, where Markham (Ray Milland) sweats out some information from a gambler by turning up the steam in a steam room.
Ray Milland meets another crisis with some timely action during a plane crash. "Crash in the Desert" is the name of this one. Jeff Morrow is a diabetic who thinks his wife and friend Ray have left him to die without insulin after the disaster occurs. But Ray, having browsed through a medical journal one day, knows what to do.
An actress' husband is convinced his wife is responsible for turning their apartment into shambles.
A snowman with an ax in its hand is found on the doorstep of a Texas home in the middle of July.
Markham (Ray Milland) is assisted by singer Gale Robbins and pianist Bobby Troup in "The Bad Spell - Both play night-club entertainers, naturally Markham is hired to help Amy (Gale) and her husband (John Conwell) find out where the threatening notes come from. The question: Is Andy Parker (Bobby Troup) just a piano-player or something mere sinister?
Last episode of the series. It's a "Matter of Identity" as Markham goes to France to help an artist determine whether the young girl who has come to be his model is his daughter who disappeared 19 years earlier.