Several murders of nuclear scientists, that baffles Scotland Yard, occur in London around the same time that Bill Locklin, a special officer from the United States State Department, arrives to oversee the transfer of Professor Leon Dushenko, a Russian scientist who has fled the USSR. An attempt on Dushenko's life is made with a monkey's paw-print found at the scene.

A hard-nosed Chicago cop is sent to London to bring back an American mobster being held for extradition. Brannigan in his Irish-American way brings American law to the people of Scotland Yard but has to contend with a stuffy old London first.

Lieutenant Commander John Byrne of the Naval Secret Service and his partner Pvt. Bill Riggers chase criminal Dr. Sin Fang, who is desperate to find a lost sacred seal. (The fifth and only surviving episode of a six-part serial about an evil mastermind inspired on Sax Rohmer's Dr. Fu Manchu.)

High-priced prostitutes are being systematically murdered, their corpses mutilated, and a bizarre South American symbol painted in blood is found at the scene. The cop investigating is out to solve the crime before his ex wife, a reporter, becomes the next victim.

A renegade police captain sets out to catch a sadistic mob boss. Preserved by the Academy Film Archive in 2016.

Jewel thieves, murder, and a manhunt swirl around a sailor off a cargo ship in post-war London.

Steve Grey, reporter for the Daily Star, has a habit of scooping all the other papers in town. When Henry Mander is investigated for the murder of his shady business partner, Grey is one step ahead of the police to the extent that he often dictates his story in advance of its actual occurrence. He leads the police through an 'open and shut' case resulting in Mander being tried, convicted and sentenced to death. Columnist Mary Shannon is in love with Steve but she sees him struggle greatly with his last story before Mander's execution. When she starts typing out the story from his recorded dictation, she realizes why.

A young New York society man makes a bet that he can rob a house and get away without being caught by the police. Things turn out to be not as easy as they seem.

When a Russian mobster sets up a real estate scam that generates millions of pounds, various members of London's criminal underworld pursue their share of the fortune. Various shady characters, including Mr One-Two, Stella the accountant, and Johnny Quid, a druggie rock-star, try to claim their slice.

When nuclear scientists are kidnapped and smuggled behind the Iron Curtain, an FBI man and a British agent are assigned to catch the kidnappers.

A young reporter tries to prove her mettle by exposing a liquor racketeering gang.

The story of two lads from Belfast as they stumble their way through the London gay underworld in search of 'gainful employment'. This being the offering of sexual favours to older gay men in order to subsidise their respective giros. 9 Dead Gay Guys is a high-camp send-up of gay stereotypes.