Who played Westley in 'The Princess Bride'?

In which film is Jake Blues 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'? In which film is Westley a character? Who played Inigo Montoya in 'The Princess Bride'? Who played Buttercup in 'The Princess Bride'? Who played Harry Burns in 'When Harry Met Sally...'?