As Major Angus Pollock in Separate Tables (1958). Won Oscar Best Actor in Leading Role with only about 15 minutes on screen (23 minutes and 39 seconds for all counted appearance).
As Paul Gauguin in Lust for Life (1956). Won Oscar Best Actor in Supporting Role with only about 8 minutes on screen (Even though many sources claim that Anthony Quinn won his Best Supporting Actor Oscar for appearing a short 8 minutes in the movie, his performance actually lasts 22 minutes and 40 seconds.)