In 1985, The Key to Rebecca, Ken’s Cairo based espionage novel, was adapted into a two-part, five hour film for television. It was directed by David Hemmings and starred Cliff Robertson as Major William Vandam, David Soul as Alex Wolff, Season Hubley as Elene Fontana and Anthony Quayle as Abdullah. It was first broadcast in the US in April 1985 and went on to be shown in the UK, Scandinavia and a number of other countries in which the novel had been successful.