Diamond promises to take care of the galpal of a dying gangster but it proves to be easier said than done.
A hospitalized woman hires Diamond to tail her ex-hubby whom she believes has obtained custody of their daughter illegally.
After he's hired to watch a man's wife while he's out of town, Diamond is approached by two men who claim she's an escapee from a loony bin.
Wifey and her lover murder her husband so that they can collect the life insurance money. Diamond then tries to con them into believing that he witnessed the crime.
On vacation, Diamond tries to assist a damsel who is being menaced by hoods who believe she's carrying some incriminating photos.
A damsel hires Diamond to prove that her fiancee is not guilty of killing a man in a hit and run accident.
Diamond poses as a rich Canadian in orfer to infiltrate a gambling ring and discover the truth about a man's claim that he witnessed a killing.
When hubby receives death threats and refuses to take them seriously, wifey hires Diamond to be his bodyguard without him knowing it.
Diamond tries to track down a fugitive gangster who's in possession of a valuable necklace.
A convict breaks out of prison and he's after Diamond's hide because our hero was responsible for sending him up the river.
Diamond gets hired to verify the authenticity of an ancient Greek statue which has been offered for sale at a price far below its supposed value.
Diamond tries to convince a former military buddy who's now wanted by the law to turn himself into the authorities.
A man hires Diamond to investigate a so-called outer space society which he suspects is trying to bilk his wealthy uncle out of money.
Diamond is hired to protect a female politician from kidnapping threats.
Diamond is on the trail of safecrackers and the money which they filched.
Once again, Diamond's task is to recover a fortune in stolen jewels.
Diamond investigates a fire in a fur shop which happened to kill an accountant who was working late there.
Diamond helps a veteran journalist get a story on a protection racket.
Diamond discovers that a protection racket is behind two of his Chinese friends calling off their upcoming wedding.
The rodeo comes to Madison Square Garden and when a cowboy discovers his saddle strap cut he goes to Diamond for help.
Diamond encounters a desperate woman at an all-night roadside cafe.
Diamond is mistaken for a thief who stole a valuable painting for a shady businessman.
A woman asks Diamond to clear her gang member son of robbery and murder charges.
A jewelry store employee refuses to return gems that he has been assigned to clean unless he is given a large bonus.
Diamond goes undercover once again this time as a truckdriver in order to solve a series of hijackings.
An unknown killer makes an attempt on Diamond's live that leaves an innocent buystander at room temperature.
Diamond tries to uncover who killed a sleazy nightclub owner.
A stolen letter might hold the key to Diamond's investigation into the death of an investment counselor.
A singer who is being threatened by extortionists hires Diamond to set things right.
Diamond and his client are kidnapped by hoods who threaten to kill them both unless our hero reveals the location of some valuable paintings he had been earlier hired to safeguard.
When Diamond is hired to investigate the murder of a film producer he discovers that the police haven't even been informed of the man's death.
Diamond decides to do his own investigation when a cop friend is killed while out on patrol.
An art restorer is killed in his own workshop and the trail leads Diamond to a narcotics ring.
Diamond begins dating a woman who just hired him to find her boyfriend's murderer.
A fugitive mobster approaches Diamond and asks our hero to arrange his surrender to the police.
Diamond finds himself involved in international intrigue when he travels to South America in search of a political refugee.
Hired to solve a murder case, Diamond discovers that his client is the daughter of the investigating police officer.
The trail of a missing art dealer leads Diamond south of the border to Mexico.
Diamond is hired to help a young man find his missing bride and winds up in the middle of a nasty conspiracy.
An antiques dealer hired Diamond fo find a valuable cigarette box along with the employee who disappeared while delivering it.
Diamond goes after a masked robber who stole the receipts from a charity jazz festival.
Diamond is hired to investigate a younger woman who's been spending time with the much older owner of a citrus packing plant.
Diamond undertakes a discreet investigation of a valuable crown which was pilfered from a safe on board a yacht.
A jukebox operator turns to Diamond for help when he gets threatened by racketeers.
Diamond suspects that the wife of a friend might be out to kill her hubby, a television personality.
Diamond receives a phone call from a terrified woman saying her life is being threatened but the damsel has disappeared completely after he arrives on the scene.
Diamond is asked by a nun to locate a missing boy.
Trying to find yet another priceless stolen jewel sends Diamond undercover as a casino worker.
Diamond discovers some rather cheesy facts about a young female murder victim.
Diamond's old galpal is being plagued by a blackmailer so she goes running to our hero for help.
A mobster's bookkeeper gets Diamond involved in a blackmail scheme against his boss.
A bookie decides to bump off Diamond's police contact, Lt. Kile, for putting huge dents in his operation.
When a financier's partner goes missing in Mexico, it's Diamond who heads south of the border on the case.
While making a brief stopover in San Francisco, Diamond suddenly finds himself the target of a gunman.
Diamond isn't the fugitive this time. He's on the trail of one in a deserted amusement park.
Diamond gets hired to deliver a note to a bank teller but when he delivers it she begins screaming like a banshee.
This time, Diamond gets hired to protect a marriage counselor whose life has been threatened.
An LAPD enemy of Diamond has our hero arrested and charged with murder after the galpal of an escaped convict is found killed.
Diamond receives word that a man, presumed dead for more than a year, is still alive.
Diamond finds himself in a lonely hearts club when he investigates the confusing circumstances around a robbery and murder.
Diamond receives a creepy phone call that informs him he will die at a specific time later that evening.
Diamond is on the case once again when a nightclub singer and her band start receiving threats from a disgruntled former band member.
A woman hires Diamond to prove that her uncle's untimely death was not an accident.
Diamond's latest case involves a magician and his sexy assistant.
An actress hires Diamond after discovering that the supposedly valuable painting she purchased is a fake.
In an unusual case, Diamond must follow a dog which is pursuing a bedraggled feline.
Diamond brings a hot chick back to his apartment only to find an abandoned baby lying on his couch.
A reporter suspects that a singer's suicide was actually murder so he hires Diamond to look into things.
A landlady finds a tenant dead in his room and shortly thereafter is confronted by a pistol packin' stranger who's looking for the decedant.
A diplomat hires Diamond to find his missing fiancee.
A dancer takes out an insurance policiy on her legs and shortly thereafter gets injured by a hit and run driver. The insurance company hires Diamond to see whether or not fraud is involved.
Diamond's client hires him to protect a French poodle but then his client buys the farm.
A woman hires Diamond to discover her father's assailants. It seems as though he was kayoed after discovering heroin in his warehouse.
A father feels that his recently widowed daughter has spent too much time brooding over hubby's death.