Question: Terry Pratchett's The Colour of Magic starred which star of Only Fools and Horses?

full_context: Document 1: John Lyons (actor): John Lyons (born 14 September 1943) is an English stage and screen actor. He is probably most famous for appearing as Detective Sergeant George Toolan in the long-running UK detective drama, "A Touch of Frost" (1992–2010) alongside David Jason. He also appeared as the Barman / Milkman / Decorator (Credit to http://www.imdb.com/name/nm0529090/): "The Twenty Six Year Itch"(1979)..Barman; "And So to Bed"(1978)..Milkman; "My Husband Next Door"(1976)..Decorator in 3 episodes of George & Mildred, and in On the buses (Season 7, Ep. 7 and 11) as a bus driver. John also had a prominent role playing Detective Sgt Jim Huke in a 1976 episode of The Sweeney called "Bad Apple", and as an armed blagger called Mead in the feature film from the same series - Sweeney 2.
Document 2: Discworld: Discworld is a comic fantasy book series written by the English author Terry Pratchett (1948–2015), set on the fictional Discworld, a flat disc balanced on the backs of four elephants which in turn stand on the back of a giant turtle, Great A'Tuin. The books frequently parody or take inspiration from J. R. R. Tolkien, Robert E. Howard, H. P. Lovecraft, Charles Dickens, and William Shakespeare, as well as mythology, folklore and fairy tales, often using them for satirical parallels with current cultural, political, and scientific issues. The series is popular, with more than 80 million books sold in 37 languages.
Document 3: Terry Pratchett's The Colour of Magic: Terry Pratchett's The Colour of Magic is a two-part television adaptation of the bestselling novels "The Colour of Magic" and "The Light Fantastic" by Terry Pratchett. The fantasy film was produced for Sky1 by The Mob, a small British studio, starring David Jason, Sean Astin, Tim Curry and Christopher Lee as the voice of Death. Vadim Jean both adapted the screenplay from Pratchett's original novels, and served as director.
Document 4: Frost at Christmas: Frost at Christmas (1984) is the first of the series of novels written by R. D. Wingfield, the creator of the character Detective Inspector Jack Frost, who is more famously known in the television series "A Touch of Frost", where the character is played by Sir David Jason. This novel was adapted into the TV episode 'Care and Protection', which was also the first in the series.
Document 5: David Soul: David Soul (born August 28, 1943) is an American-British actor and singer. He is known for his role as Detective Kenneth "Hutch" Hutchinson in the ABC television series "Starsky & Hutch" from 1975 to 1979. He became a British citizen in 2004.
Document 6: Terry Pratchett: Sir Terence David John Pratchett, OBE (28 April 1948 – 12 March 2015), better known as Terry Pratchett, was an English author of fantasy novels, especially comical works. He is best known for his Discworld series of 41 novels. Pratchett's first novel, "The Carpet People", was published in 1971. The first Discworld novel, "The Colour of Magic", was published in 1983, after which he wrote two books a year on average. His 2011 Discworld novel "Snuff" was at the time of its release the third-fastest-selling hardback adult-readership novel since records began in the UK, selling 55,000 copies in the first three days. His final Discworld novel, "The Shepherd's Crown", was published in August 2015, five months after his death.
Document 7: Diamond Geezer: Diamond Geezer is a British television crime drama, broadcast on ITV1 between March 20, 2005 and April 23, 2007. Created by Caleb Ranson, the series stars David Jason as jewel thief and professional con man Des. Two series of the programme were broadcast. A third series was not commissioned due to falling viewing figures, and Jason filming the first full series of "A Touch of Frost" since 2002.
Document 8: The Colour of Magic: The Colour of Magic is a 1983 comic fantasy novel by Terry Pratchett, and is the first book of the "Discworld" series. The first printing of the British edition consisted of 506 copies. Pratchett has described it as "an attempt to do for the classical fantasy universe what "Blazing Saddles" did for Westerns."
Document 9: David Jason: Sir David John White, {'1': ", '2': ", '3': ", '4': "} (born 2 February 1940), better known by his stage name David Jason, is an English actor and comedian. He is perhaps best known for his portrayals of Derek "Del Boy" Trotter in the BBC comedy series "Only Fools and Horses", and Detective Inspector Jack Frost in the ITV crime drama "A Touch of Frost".
Document 10: Terry Pratchett: Sir Terence David John Pratchett, OBE (28 April 1948 – 12 March 2015), better known as Terry Pratchett, was an English author of fantasy novels, especially comical works. He is best known for his Discworld series of 41 novels. Pratchett's first novel, "The Carpet People", was published in 1971. The first Discworld novel, "The Colour of Magic", was published in 1983, after which he wrote two books a year on average. His 2011 Discworld novel "Snuff" was at the time of its release the third-fastest-selling hardback adult-readership novel since records began in the UK, selling 55,000 copies in the first three days. His final Discworld novel, "The Shepherd's Crown", was published in August 2015, five months after his death.
Document 11: Terry Pratchett's Hogfather: Terry Pratchett's Hogfather is a two-part television film adaptation of "Hogfather" by Terry Pratchett, produced by The Mob, and first broadcast on Sky One, and in High Definition on Sky1 HD, over Christmas 2006. First aired in two 1.5-hour episodes on 17 and 18 December 2006 at 20:00 UTC, it was the first live-action film adaptation of a "Discworld" novel. In 2007, the two episodes were rerun on Christmas Eve and Christmas Day respectively on Sky One and Sky1 HD.
Document 12: Bruce Alexander (actor): Bruce John Alexander (born 18 June 1946 in Watford, Hertfordshire) is an English actor, best known for his portrayal of Superintendent Norman Mullet in the ITV television series "A Touch of Frost", where he plays the superior of the main character Jack Frost, played by David Jason.
Document 13: Del Boy: Derek Edward Trotter, more commonly known as Del Boy (born 12 July 1945), is the fictional lead character in the popular BBC sitcom "Only Fools and Horses" and one of the main characters of its prequel, "Rock & Chips". He was played by David Jason in the original series and was portrayed as a teenager by James Buckley in the prequel. Del is known for his broken French quotes which are usually completely out of context and a variety of catchphrases, including: "He who dares – wins!", "This time next year we'll be millionaires", "Lovely Jubbly!", "You know it makes sense" (which he usually says to his customers after they've agreed on a deal) and "You plonker!" (which he usually says to Rodney).
Document 14: Terry Pratchett's Going Postal: Terry Pratchett's Going Postal is a two-part television film adaptation of "Going Postal" by Terry Pratchett, adapted by Richard Kurti and Bev Doyle and produced by The Mob, which was first broadcast on Sky1, and in high definition on Sky1 HD, at the end of May 2010.
Document 15: Terry Pratchett: Choosing to Die: Terry Pratchett: Choosing to Die is a 2011 one-off television documentary produced by KEO North for BBC Scotland on the subject of assisted suicide, directed and produced by Charlie Russell. It is presented by Terry Pratchett and features Peter Smedley, a 71-year-old motor neurone disease sufferer, dying by suicide at the Swiss assisted dying organisation, Dignitas.
ground_truth: Sir David John White