George Markstein

George Markstein (born 29 August 1926 – died 15 January 1987) was a British journalist and subsequent writer of thrillers and teleplays. He was the script editor of the British series The Prisoner (1967-68) for the first thirteen episodes, and appeared briefly in its title sequence. Markstein also wrote for or story-edited other television series, specialising in espionage stories, and jointly ran a successful literary agency for screenwriters.