Edward Phillips Oppenheim (1866-1946) was an English novelist, in his lifetime a major and successful writer of genre fiction including thrillers. He composed some one hundred and fifty novels, mainly of the suspense and international intrigue nature, but including romances, comedies, and parables of everyday life. He was the earliest writer of spy fiction as understood today, and invented the "Rogue Male" school of adventure thrillers.

Harold MacGrath (1871-1932) was a bestselling American novelist, short story writer and, in 1912, one of the first nationally-known authors to write directly for the movies. A Splendid Hazard was made into a film in 1920.