 He appeared overall in 90 films from 1917 to 1951.He often played historical figures like Sir Joseph Banks in the Oscar-winning adventure film "Mutiny on the Bounty" (1935) and Florimond Claude, Comte de Mercy-Argenteau in "Marie Antoinette" (1938).Stephenson worked with film star Errol Flynn in the films "Captain Blood", "The Charge of the Light Brigade", "The Prince and the Pauper", and "The Private Lives of Elizabeth and Essex", often as Flynn's paternal friend and superior.