Ralph William John Brown (born 18 June 1957) is an English actor and writer, known for playing Danny the drug dealer in Withnail and I, the security guard Aaron (aka "85") in Alien 3, DJ Bob Silver in The Boat That Rocked/Pirate Radio, super-roadie Del Preston in Wayne's World 2 and the pilot Ric Olié in Star Wars Episode I: The Phantom Menace.