In which film is Harry Burns a character?

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...'? Who played Sally Albright in 'When Harry Met Sally...'? Who played Annie Wilkes in 'Misery'? Who played Ennis Del Mar in 'Brokeback Mountain'? In which film is Ennis Del Mar a character?