Nato/a il May 22, 1859 · Edinburgh, Scotland, UK
Filmography
| Role | Title | Year | Character |
|---|---|---|---|
| Writer | Sherlock Holmes | 2009 | |
| Writer | Sherlock Holmes - Gioco di ombre | 2011 | |
| Writer | Sherlock Gnomes | 2018 | |
| Writer | Sherlock Holmes 3 | 2025 | |
| Writer | Mr. Holmes - Il mistero del caso irrisolto | 2015 | |
| Writer | Holmes & Watson - 2 de menti al servizio della regina | 2018 | |
| Writer | Piramide di paura | 1985 | |
| Writer | Tom & Jerry incontrano Sherlock Holmes | 2010 | |
| Writer | I delitti del gatto nero | 1990 | |
| Writer | Vita privata di Sherlock Holmes | 1970 | |
| Writer | La furia dei Baskerville | 1959 | |
| Writer | Sherlock | 2002 | |
| Writer | Terrore nella notte | 1946 | |
| Writer | La voce del terrore | 1942 | |
| Writer | Sherlock Holmes: The Sign of Four | 1987 | |
| Writer | Le avventure di Sherlock Holmes | 1939 | |
| Writer | Il mastino dei Baskerville | 1939 | |
| Writer | Sherlock Holmes - Il mastino di Baskerville | 2000 | |
| Writer | Il mondo perduto | 2001 | |
| Writer | Sherlock Holmes in notti di terrore | 1965 | |
| Actor | The Lost World | 1925 | |
| Writer | The Lost World | 1925 | |
| Writer | Assassinio su commissione | 1979 | |
| Writer | La donna in verde | 1945 | |
| Writer | Sherlock Holmes: The Master Blackmailer | 1992 | |
| Writer | Il mistero del carillon | 1946 | |
| Writer | Sherlock Holmes di fronte alla morte | 1943 | |
| Writer | Adventures of Sherlock Holmes and Dr. Watson: The Twentieth Century Approaches | 1986 | |
| Writer | Sherlock Holmes ed il caso della calza di seta | 2004 | |
| Writer | Il Vampiro di Whitechapel | 2002 | |
| Writer | La donna ragno | 1943 | |
| Writer | L'artiglio scarlatto | 1944 | |
| Writer | Sherlock Holmes and the Adventures of the Furtive Festivity | 2018 | |
| Writer | Sherlock Holmes: The Last Vampyre | 1993 | |
| Writer | The Adventures of Sherlock Holmes and Dr. Watson: Hunting the Tiger | 1980 | |
| Writer | Sherlock Holmes - Soluzione sette per cento | 1976 | |
| Writer | The Parasite | 2015 | |
| Writer | La perla della morte | 1944 | |
| Writer | Sherlock Holmes and Doctor Watson: The Acquaintance | 1980 | |
| Writer | Sherlock Holmes - La valle del terrore | 1962 | |
| Writer | The Lost World | 1998 | |
| Writer | Destinazione Algeri | 1945 | |
| Writer | Sherlock Holmes Baffled | 1900 | |
| Writer | Sherlock Holmes: The Eligible Bachelor | 1993 | |
| Writer | Sherlock Holmes a New York | 1976 | |
| Writer | Il segno dei quattro | 2001 | |
| Writer | Il mastino dei Baskerville | 2002 | |
| Writer | Mondo perduto | 1960 | |
| Writer | Sherlock Holmes | 1922 | |
| Writer | Il mastino di Baskerville | 1983 | |
| Writer | The Triumph of Sherlock Holmes | 1935 | |
| Writer | Sherlock Holmes: Incident at Victoria Falls | 1992 | |
| Writer | Sherlock Holmes and the Leading Lady | 1992 |