TrendingEntertainmentWholesomeWhile filming Pirates of the Caribbean: On Stranger Tides at Greenwich's Old Naval College in 2010, Johnny Depp received a letter from a 9-year-old girl at a nearby school asking Captain Jack Sparrow for help with a "mutiny" against her teachers. With just ten minutes' notice, Depp arrived at the school in full pirate costume — but advised against the idea of mutiny.