In 'Willy Wonka & the Chocolate Factory' (1971), who plays Willy Wonka?

In 'Despicable Me', what are the yellow helpers called? In 'Ghostbusters' (1984), what is the name of the giant marshmallow creature? In 'Ghostbusters', what is the green ghost that the team first captures called? In 'E.T.', what candy does Elliott use to lure E.T.? In 'Charlie and the Chocolate Factory' (2005), who plays Willy Wonka? In 'Pirates of the Caribbean', what is the name of Captain Jack Sparrow's ship? Who plays Captain Jack Sparrow in 'Pirates of the Caribbean'? In 'Jurassic Park', which actor plays the mathematician Ian Malcolm?