Adaptations of Sherlock Holmes faithful adherence to the original characterization. One famous radio appearance starred Orson Welles as Sherlock Holmes in an adaptation of one of William Gillette's plays. This was broadcast in September 1938 as part of "The Mercury Theater on the Air" series on CBS Radio. Throughout the early 1940s on American Radio, Basil Rathbone and Nigel Bruce performed as Holmes and Watson, respectively, in several series of canonical and original Sherlock Holmes stories on "The New Adventures of Sherlock Holmes" radio show. These broadcasts were loosely based on Doyle's cases. When Rathbone finally departed the role before the 1947 season, Tom
Adaptations of Sherlock Holmes first known film featuring Holmes is "Sherlock Holmes Baffled", a one-reel film running less than a minute, made by the American Mutoscope and Biograph Company in 1900. This was followed by a 1905 Vitagraph film "Adventures of Sherlock Holmes; or, Held for Ransom", with H. Kyrle Bellew and J. Barney Sherry in unlisted roles. It was long believed that the film starred Maurice Costello as Sherlock Holmes, but Leslie S. Klinger has written that the identification of Costello in the role is flawed. Klinger states that the first identification of Costello with the role was in Michael Pointer's "Public Life