In which film is Westley a character?

Who played Elwood Blues in 'The Blues Brothers'? In which film is Elwood Blues a character? Who played Prince Akeem in 'Coming to America'? Who played Westley in 'The Princess Bride'? Who played Inigo Montoya in 'The Princess Bride'? Who played Buttercup in 'The Princess Bride'? Who played Harry Burns in 'When Harry Met Sally...'? In which film is Harry Burns a character?