Jack Slipper Jack Slipper Jack Kenneth Slipper (20 April 1924 in London – 24 August 2005 in Pershore) was a Detective Chief Superintendent in the Metropolitan Police in London. He was known as "Slipper of the Yard" (referring to Scotland Yard). He was mainly known for his role in investigating the Great Train Robbery of 1963, and in tracking down Ronnie Biggs after he escaped from prison in 1965, although he had to leave Brazil without Biggs. Slipper was born in Ealing, west London, and educated at Little Ealing School. He left school aged 14 and worked as an electrician's apprentice until
Ralph Brown in 2001. Brown was born in Cambridge, England, the son of Heather R. and John F. W. Brown. He lived in Portsmouth until the age of seven, then moved to East Sussex where he attended Lewes Priory School. He acquired a Bachelor of Law (LL.B) in 1979 from the London School of Economics and Political Science. His film roles include Dil's on-off boyfriend Dave in the Academy Award-winning film "The Crying Game", Danny the drug dealer in "Withnail & I", Great Train Robber Ronnie Biggs in "Buster", roadie Del Preston in "Wayne's World 2", teacher and rugby league player Phil