John Nettleton
From The Arthur Conan Doyle Encyclopedia

John Nettleton (born 5 february 1929) is a British actor who played Alfred H. Wood in episode Conan Doyle of the TV series The Edwardians.
He also played in 2 episodes of the TV series The Rivals of Sherlock Holmes (1971-1973).
TV
- 1971 : The Rivals of Sherlock Holmes (S01E04): The Duchess of Wiltshire's Diamonds (as Belton)
- 1972 : Conan Doyle (as Alfred H. Wood)
- 1973 : The Rivals of Sherlock Holmes (S02E04): The Secret of the Magnifique (as Admiral Christador)