Note: Australia is generally considered to be a continental landmass, rather than an island. If however one does count Australia among the islands it, not Greenland, would be the largest in the world (unless one also considered Antarctica an island).
... because of a broken leg in 1942's The Man Who Came to Dinner[?], which he had performed onstage before taking it to Hollywood.
Academy Awards and Nominations
1945 - ...