Mark William Hall (17 May 1936 — 17 November 2011) was an English producer and writer, known for Danger Mouse (1981), The Wind in the Willows (1983), The Wind in the Willows (1984), The BFG (1988), and Discworld miniseries Wyrd Sisters and Soul Music (both 1997). Hall and his professional partner, Brian Cosgrove, a friend from college, established Cosgrove Hall Productions, an animation company, in 1976 and retired in 2000. Their company is now called Cosgrove Hall Fitzpatrick.