At 20 Templeton wrote the one-act playThe King's Spaniel, which ran at the Royal Lyceum Theatre. At 24, his first three-act play, Circus Murder, was picked up and produced by Jevan Brandon Thomas at the Theatre Royal, Glasgow in 1937, then quickly exported to London by the producerEsme Church for a run at the New Theatre under the title The Painted Smile. Theatre critic WA Darlington of The Daily Telegraph called it "a cleverly created illusion". After being decommissioned from the RAF after World War II, Templeton continued to write a string of critically acclaimed West End plays, including:
Keep in a Cool Place – produced by Jevan Brandon Thomas
Writing in the Sunday Times on 21 April 1946, theatre critic James Agate wrote of the play, 'Exercise Bowler': 'This play has an immense amount to say, is inventive, brilliantly theatrical and magnificently laid out for actors. Best of all, it is not pretentious in the blank-verse manner beloved of the high-brow poetic dramatist'. Templeton wrote the largely anti-war play under the pseudonym 'T. Atkinson', a generic slang name for British soldiers at this time.
Hollywood career
At the height of his theatre career in the late 1940s, Templeton started to attract the attention of British and Hollywood film makers, securing a series of contracts from major film companies including Sir Alexander Korda at London Films, Walt Disney, Desilu and Universal. He became best known for his 1956 adaptation of George Orwell's dystopian novel 1984, with Edmond O'Brien as Winston Smith: "It was a masterly adaptation that depicted with power and poignancy and terrifying beauty the end result of thought control", wrote Jack Gould in The New York Times. His screenplay adaptation of the book All on a Summer's Day by became the British crime thriller Double Confession directed by Ken Annakin, starring Peter Lorre. Comfortable writing for a variety of genres, Templeton was able to contribute to several of the major television series of the period: The Alcoa Hour ; Goodyear Playhouse ; Matinee Theatre ; : The Untouchables ; the original Adventures of Robin Hood series with Richard Greene and the Westinghouse Desilu Playhouseanthology series broadcast by CBS from 1948 to 1958 and produced by Desi Arnaz. It was at this time that the Studio One producer declared William Templeton to be "One of the country's most distinguished writers in television".
Personal life
William married the Hungarian actress Elizabeth Getrude Esterházy on 22 September 1953 in Westport, Connecticut. Samuel Goldwyn Jr. was his best man. The marriage lasted until 1961 when the couple were divorced. They had one child, Christopher Frederick Templeton. On 23 October 1973, Templeton died of cirrhosis at the age of 60 at the Glasgow home of his elderly aunt, having just directed a trilogy of documentary programmes for NBC titled The Distant Drummer narrated by Paul Newman, Robert Mitchum and Rod Steiger.