Reginald Evelyn Peter Southouse-Cheyney (22 February 1896 – 26 June 1951) was a British crime fiction writer who flourished between 1936 and 1951. Cheyney is perhaps best known for his short stories and novels about agent/detective Lemmy Caution, which, starting in 1953, were adapted into a series of French movies, all starring Eddie Constantine (however, the best known of these – the 1965 science fiction film Alphaville – was not directly based on a Cheyney novel). Another popular creation was the private detective Slim Callaghan who also appeared in a series of novels and subsequent film adaptations.

Although out of print for many years, Cheyney's novels have never been difficult to find second-hand. Several of them have recently been made available as e-books.

Peter Cheyney was born in Whitechapel in 1896, the youngest of five children, and educated at the Mercers' School in the City of London.^[1] He began to write skits for the theatre as a teenager, but this ended when the First World War began. In 1915 he enlisted in the British Army as a volunteer, in 1916 was wounded on active service and published two volumes of poetry, Poems of Love and War and To Corona and Other Poems. The next year, 1917, his military service ended.^[2]

Starting in the late 1920s, Cheyney worked for the Metropolitan Police as a police reporter and crime investigator. Until he became successful as a crime novelist, he was often quite poor. It is said that he got his start through a bet; when Cheyney remarked that anyone could write a book in the idiom of the American thriller, he was wagered five pounds that he could not. Cheyney sold his first story as the result of this bet.^[3]

Cheyney wrote his first novel, the Lemmy Caution thriller This Man Is Dangerous in 1936 and followed it with the first Slim Callaghan novel, The Urgent Hangman in 1938. The immediate success of these two novels assured him of a flourishing new career, and Cheyney abandoned his work as a freelance investigator. Sales were brisk; in 1946 alone, 1,524,785 copies of his books were sold worldwide.^[3]

A meticulous researcher, he kept a massive set of files on criminal activity in London. The files were destroyed during the Blitz in 1941, but he soon began replacing his collection of clippings. Cheyney dictated his work. Typically he would "act out" the stories for his secretary, Miss Sprauge, who would copy them down in shorthand and type them up later.

The Caution books read very much like what they are: pulp stories written in ersatz American by a British writer. Slim Callaghan, however, is a non-American based in Cheyney's home territory of London.

In the first Callaghan novel, the private detective works from Chancery Lane in a Marlowe-type shabby office and he has difficulty paying the bills. Unlike Marlowe, however, Callaghan is ambitious, and after success helping a rich female client, he is able to make the step up to having his own agency with a fancy office and a pretty secretary in swanky Berkeley Square.

Subsequent novels in the series follow a tried and tested pattern. Callaghan's services are sought by a rich and attractive female who typically is involved in some upsetting business (often blackmail) that precludes her from going to police. Callaghan meets the lady, likes what he sees (Cheyney appears to have studied women's fashion, for he never fails to describe in detail every lady's clothes and jewellery), and is nonchalant and impudent, which simultaneously upsets and attracts her. The new client is either afraid to tell all the facts or is deliberately misleading him, and Callaghan must work out the truth for himself.

Callaghan begins his investigating, in Marlowe-style, by putting himself about and stirring up trouble, which attracts the attention of a number of people (including at least one shady nightclub owner) who are parts of the puzzle, and who supply him with enough information to plan further strategy.

During these cases, usually over a period of days, Callaghan will push himself to the limit. He will get no sleep, drink continually ('three fingers of straight whisky'), and drive his Jaguar long distances. He will meet a string of attractive women who throw themselves at him, while he only has eyes for his refined client. He will hand out and receive beatings, tamper with evidence, and outsmart both criminals and the police until the case is solved and his client is extricated from trouble and danger. Only then (to the chagrin of his secretary, who has a long-standing crush) will he reap the dual reward of favours from the client accompanied by a substantial cheque.

Cheyney's "Dark" series was widely praised during World War II for bringing more realism to espionage fiction. In their casual brutality and general "grubbiness," the "Dark" novels seem to have foreshadowed much of the Cold War fiction of the mid to late 1960s. Anthony Boucher placed these later works in the context of Graham Greene and Joseph Conrad.

The characterisation of Ernest Guelvada in the "Dark" series is one of the high points of Cheyney's career. A cheerfully sadistic war operative whose objective is to deplete the ranks of opposing forces in a leisurely but thorough fashion, the loquacious Guelvada still finds the time to dress immaculately, drink immoderate amounts of alcohol and remain a counter agent.

Cheyney published one volume of short stories, advice to critics and a few poems in No Ordinary Cheyney (London: Faber and Faber, 1948).

Cheyney makes a cameo appearance in the Dennis Wheatley/J.G. Links "dossier" mystery "Herewith the Clues," published in 1939. He appears as man-of-fortune William Benson, one of the suspects.

He died at age 55, after having fallen into a coma. He was buried at Putney Vale Cemetery in London.

From all accounts, Cheyney lived much like his characters, working too hard, living the fast and careless life with a breathtaking abandon that eventually caught up with him. In addition to his literary skills, "he was a fencer of repute, a golfer, a crack pistol-shot, and a jiu-jitsu expert."^[3]

He joined the New Party (set up by Sir Oswald Mosley and precursor to the later British Union of Fascists or BUF) in 1931, heading its youth detachment, which protected public meetings.^[4]

He was married three times: in 1919 to the stage actress Dorma Leigh (from whom he was divorced in 1931),^[5] in 1934 to Kathleen Nora Walter Taberer, and in 1948 to Lauretta Theresa Singer.^[2] He had no children.

A 1954 biography of Cheyney, Peter Cheyney: Prince of Hokum, was written by Michael Harrison. (London: N. Spearman, 1954.)

Cheyney published a semi-autobiographical volume, Making Crime Pay and after his death at least two biographical essays appeared in posthumous collections. An essay by Viola Garvin, "Peter Cheyney" appears in Velvet Johnnie a posthumous collection of Cheyney's short stories (London: Collins, 1952, pages 7–32). The other essay is anonymous. It appears in the Cheyney collection Calling Mr. Callaghan (London: Todd, 1953, pages 7–16).