Derek Newark
Derek John Newark (8 June 1933, Great Yarmouth, Norfolk, England - 11 August 1998), played Za in DW: An Unearthly Child and Greg Sutton in DW: Inferno. Outside Doctor Who, Newark is perhaps best known for his role as Spooner in the popular sitcom Rising Damp.
Early in his career, Derek Newark was a member of the Belgrade Theatre Company, whose members included Ian McKellan. Over the years, he appeared in episodes of the television series Dixon of Dock Green, Dad's Army, The Avengers, Rumpole of the Bailey, and Some Mothers Do 'Ave Em. He also had supporting roles in the television miniseries' Reilly: Ace of Spies, Masada, and War and Remembrance, and played a German officer in the film Where Eagles Dare.