Mystery film Holmes has been portrayed by a multitude of actors in over 200 films. Perhaps the earliest detective comedy is Buster Keaton's "Sherlock Jr." (1924). Until recently, the only American-made series starred Basil Rathbone and Nigel Bruce as Holmes and Dr. Watson. Together they made 14 films between 1939 and 1946. The first two, at 20th Century Fox, were period piece mysteries set in the late-Victorian era of the original stories. By the third film, "Sherlock Holmes and the Voice of Terror" (1942), now taken up by Universal Studios, Holmes was updated to the present day. Several films dealt with World
Basil Rathbone produced by Fox in 1939), were set in the late Victorian times of the original stories. The later installments, produced by Universal, beginning with "Sherlock Holmes and the Voice of Terror" (1942), were set in contemporary times. The first three had World War II-related plots. Concurrent with the films, Rathbone and Bruce reprised their film roles in a radio series, "The New Adventures of Sherlock Holmes", which began in October 1939. Rathbone appeared in the radio series as long as the film series was active, but after the films lapsed in 1946, Rathbone ceded his radio part to Tom Conway.