Chester Morris

Adele Mara

Richard Lane

Lloyd Corrigan

Forrest Tucker

Blackie receives a call from a friend who asks him to retrieve some money from his apartment and deliver it to him in California. Performing this good deed, he is accused of theft, but is allowed to proceed to Hollywood to help the police find a lost diamond.

Unscrupulous boxing promoters, violent bookies, a Russian gangster, incompetent amateur robbers, and supposedly Jewish jewellers fight to track down a priceless stolen diamond.

Fu Manchu's 168th birthday celebration is dampened when a hapless flunky spills Fu's age-regressing elixir vitae. Fu sends his lackeys to round up ingredients for a new batch of elixir, starting with the Star of Leningrad diamond, nabbed from a Soviet exhibition in Washington. The FBI sends agents Capone and Williams to England to confer with Nayland Smith, an expert on Fu.

Two young women will stop at nothing for one to gain a $4 million inheritance of two priceless diamonds, while two detectives try to thwart their plans, but find complications abound.

A hit man working for the Yakuza double crosses his employers and flees with a cache of diamonds from the latest heist. Injured and hiding in the mountain regions of Spain, with Japanese assassins in hot pursuit, he takes refuge in the home of a local doctor and his two daughters who nurse him back to health and hide him from his pursuers, taking drastic and murderous measures to protect him... for they have plans of their own in store for their current guest.

An American realtor living in England is dissatisfied with what he believes to be his humdrum life. One weekend while his wife is out of town, he gives a ride to a woman he sees stranded on the road. One thing leads to another, and he soon finds himself enmeshed in a plot involving a diamond robbery, gangsters and murder.

The Pink Panther diamond is stolen once again from Lugash and the authorities call in Chief Inspector Clouseau from France. His plane disappears en-route. This time, famous French TV reporter Marie Jouvet sets out to solve the mystery and starts to interview everybody connected to Clouseau.

In this Franco-Italian gangster parody, a shopkeeper on his way to an Italian holiday suffers a crash that totals his car. The culprit can only compensate his ruined trip by driving an American friend's car from Naples to Bordeaux, but as it happens to be filled with such contraband as stolen money, jewelry and drugs, the involuntary and unwitting companions in crime soon attract all but recreational attention from the "milieu".

It is the Christmas Holidays and reformed thief, Boston Blackie goes to Castle Theater to pick up players who will perform for prisoners that are still in prison. He takes a girl with him who has a brother already in prison. She has visited the prison twice in the month, so is not suppose to visit again. However when the group is completed the girl is included as well as Inspector Farrady. One of the clowns in the show is kidnapped and replaced by a con who wants to get even with two ex-partners. Boston Blackie figures out that a con has replaced one of his clowns but is unable to stop him. Blackie's clothes are stolen and a murder is committed. Of course, the Inspector immediately suspects Blackie of being involved. Now it is Blackie's job to find the killer, exonerate himself and help the girl free her brother.