Lyndon Brook was born on 10 April 1926 in Los Angeles, California, to British parents.

He came from an established acting family: his father, Clive Brook, had been a star of the silent movies and had moved to Hollywood to play quintessential Englishmen in a host of films.

His parents sent their son back to England to be educated at Stowe School, and he subsequently gained stage experience at Cambridge University.

[6] Two years later, Brook co-starred with Kenneth More in one of the most popular of all Second World War dramas, Reach for the Sky.

[4] Brook was a much-published author, and scripted the 1957 television series Love Her to Death, which had Peter Wyngarde in the leading role.