 This was succeeded by Princess Mary in the costume play, "When Knighthood was in Flower", and a successful performance of the title role in "Trilby".She also made her sole film in 1911, reprising her stage success as the title character in "Sweet Nell of Old Drury" for director Raymond Longford.A lean period followed and the effect of World War I on the theatres led to Stewart losing practically all her savings.