He was born Christopher de Lerisson Cazenove, on 17 December 1943, the son of Brigadier Arnold de Lerisson Cazenove and Elizabeth Laura (née Gurney, 1914–1994) in Winchester, Hampshire, but was brought up in Bowlish, Somerset. He was educated at the Dragon School, Eton College, Durham University's College of the Venerable Bede and the Bristol Old Vic Theatre School.
Cazenove often portrayed British aristocrats, and first made his name in the 1972 drama series, The Regiment. Other notable roles included Charlie Tyrrell in the 1976-77 period drama series The Duchess of Duke Street, and in 1986 he appeared as Ben Carrington in the US soap opera Dynasty, which he played until the following year. From 2001-03, he had a recurring role in the British drama series Judge John Deed, playing Row Colemore.
Cazenove's funeral on 16 April 2010 was held at St Paul's, Covent Garden, London.
