Peter Cheyney

Department of State courier Mike Kelly ends up in postwar hotbed Trieste after failing to collect a package from a colleague. The Military Police are happy for him to get more involved, but things get a bit tough. After all, he is just a postman. (imdb)

Lemmy Caution is back! He hooks up with a fellow agent at a night club to exchange info about a beautiful babe the FBI has under observation. Later, Eddie finds his fellow agent murdered and stuffed into a refrigerator! Who is the mysterious woman? Is she or her friends responsible for the murder? One of the better Caution series entries. (imdb)

Slim Callaghan, a fictional British private detective in the American "hard boiled" mode, was the central character in several popular Peter Cheyney novels, in a stage play by Gerald Verner, and in the 1948 movie programmer Uneasy Terms, which top-billed Michael Rennie. Meet Mr. Callaghan stars Derrick DeMarney, no stranger to detective films, in the title role. In this "pilot" for a proposed Callaghan movie series, Slim is required to solve the death of a much-hated rich man. (allmovie.com)

American FBI agent Lemmy Caution arrives in France to track down a dangerous spy. (imdb)

Lemmy Caution must locate a missing scientist.

Lemmy Caution is assigned to neutralise the international crimininal network of villain Siégella (Grégoire Aslan ) as an undercover agent.

Posing as an aristocrat to crash a party, a composer stumbles upon a gang of jewel thieves working unnoticed upstairs.

Private eye Slim Callaghan is summoned to the country home of a Colonel Stenhurst, but the latter is murdered before he can talk to the detective. Was one of the Colonel's three daughters responsible?

Three famous detectives each investigate a case in their own special way: Inspector Maigret, Police Detective Wens and Lemmy Caution.