Knight Without Armour (styled as Knight Without Armor in some releases) is a 1937 British historical drama film starring Marlene Dietrich and Robert Donat. It was directed by Jacques Feyder and produced by Alexander Korda from a screenplay by Lajos Bíró adapted by Frances Marion from the 1933 novel by James Hilton. The novel was published in the United States as Without Armour. The music score was by Miklós Rózsa, his first for a motion picture, using additional music by Tchaikovsky.