In 1968, he married actress Maria Aitken and divorced 1971. He subsequently married actor Jane How in 1996. His elder brother is Jo Durden-Smith.
Other roles include From Paris with Love (film), The Last Days of Lehman Brothers; The Worst Witch (TV series), Nuremberg: Nazis on Trial; Noble House (TV miniseries); Dunkirk (TV series); Agatha Christie's Marple; Highlander: The Series; The Best Man (2005 film); The First 9½ Weeks; Midsomer Murders; Piece of Cake (TV series); The Awakening (2011 film); Dressing for Breakfast; The Dead of Jericho; Pumpkinhead: Blood Feud.
On radio he played Bashwood in Armadale (novel).