Richard Harding Gardner: Richard Harding Gardner. Writer: Sherlock: Undercover Dog. Richard Harding Gardner was born on 18 September 1949 in Godalming, Surrey, England, UK. He is an actor and writer, known for Sherlock: Undercover Dog (1994), The Kitchen Musical (2011) and Small Wonder (1985). He has been married to Chae Lian Diong since 8 June 2000.
Known For: Sherlock: Undercover Dog (Writer), The Kitchen Musical (Christopher Avilon), Small Wonder (Writer), Setem (Lord Barring)