Scenarist
- Sherlock Holmes 3
- Holmes & Watson (2018)
- Mr. Holmes (2015)
- Sherlock Holmes: A Game Of Shadows (2011)
- Tom and Jerry Meet Sherlock Holmes (2010)
- Sherlock Holmes (2009)
- Batman: The Brave and the Bold (2008)
- Sherlock (2002)
- The Lost World (1999)
- The Lost World (1999)
- The Case-Book of Sherlock Holmes (1991)
- Father Dowling Mysteries (1989)
- Star Trek: The Next Generation (1987)
- The Seven-Per-Cent Solution (1976)
- Terror by Night (1946)
- Pursuit to Algiers (1945)
- The House of Fear (1945)
- The Scarlet Claw (1944)
- The Pearl of Death (1944)
- Sherlock Holmes in Washington (1943)
- Sherlock Holmes Faces Death (1943)
- Sherlock Holmes and the Voice of Terror (1942)
- Sherlock Holmes and the Secret Weapon (1942)
Filmografie - altele
