It depends on which 'case' that we're talking about. According to the novels, Sherlock Holmes "did" several dozens of cases, if not hundreds of thousands. There are many cases that the novels did not go into detail about, though were mentioned as being cases that he solved, or at least was apart of.
The cast of Sherlock Holmes and the Case of his Missing Girlfriend - 2013 includes: Nick Cloud as Sherlock Holmes
The Case Of Professor Moriarty And The Diamond is a title for a Sherlock Holmes book. However, The case of The Missing Diamond is not one.
The Case-Book of Sherlock Holmes - 1991 was released on: USA: 21 February 1991
The Case-Book of Sherlock Holmes was created in 1927.
Sherlock Holmes' real name is Sherlock Holmes.
Sherlock Holmes 3
.... Sherlock Holmes
Sherlock Holmes and the Case of the Silk Stocking - 2004 TV is rated/received certificates of: Australia:M UK:15
1914
Sherlock Holmes - 1954 The Case of the Violent Suitor 1-25 was released on: USA: 18 April 1955
Sherlock Holmes - 1954 The Case of the Imposter Mystery 1-29 was released on: USA: 16 May 1955
Sherlock Holmes - 1954 The Case of the Exhumed Client 1-31 was released on: USA: 30 May 1955