 On television, he starred as David Lloyd George in "The Life and Times of David Lloyd George" (1981) and DCI Noel Bain in the detective series "A Mind to Kill" (1994-2002).His guest roles included multiple appearances in the cult series "The Avengers" (1962-68) and "Doctor Who" (1968-1979), as well as playing the U-boat captain in the "Dad's Army" episode "The Deadly Attachment" (1973).He was also known to be an accomplished linguist.