Heinz Ruhmann played Watson in Der Mann, der Sherlock Holmes war in 1937.
Nigel Bruce starred as Watson in 14 films (from 1939 to 1946).
Robert Blakely played the Watson role in The Private Life of Sherlock Holmes (1970)
William Rushton played the Watson part in Elementary My Dear Watson.
Terence Rigby played Watson in The Hound of the Baskervilles (1982).
Vitaly Solomin played Watson in the 1980s Russian television series.
Donald Churchill played John Watson in The Hound of the Baskervilles in 1983.
David Burke played the character of Doctor Watson in 1984 / 1985 in the famous British Television series.
Edward Hardwicke is one of the most popular Watson's. He played the role between 1986 and 1994.