Note: There are other authors with the same name: William Marshall (actor), William Marshall (I)
- Author: William Marshall Author Record # 5281
- Legal Name: Marshall, William Leonard
- Birthplace: Sydney, New South Wales, Australia
- Birthdate: 1944
- Deathdate: 2003
- Language: English
- Webpages: Goodreads, IMDB, LibraryThing, SFE, Wikipedia-EN
- Author Tags: Hong Kong (1), recursive sf (1)